in a class by itself/oneself
1. 独一无二
Her mother's cakes are in a class by themselves.
她母亲做的蛋糕称得上是别具一格。
习惯用语at the top of one's class1.出类拔萃， 居首位be no class1.[俚]不足道， 无价值， 低劣的be classed with1.归［列］入...类［等级］class of the field1.[美]比赛的优胜候选人cabin class1.(客轮)二等舱Cut a class1.缺一节课depressed class1.(印度的)最下层人民， 即所谓不可接触的贱民阶层get a class1.毕业考试得优等obtain a class1.毕业考试得优等take a class1.毕业考试得优等in a class by itself1.出众， 特好， 独一无二， 独具一格in a class by oneself1.出众， 特好， 独一无二， 独具一格in class1.在上课中in the same class1.[美]同一类型的， 同等的landed class1.地主阶级lower class1.下层社会lower middle class1.中产阶级的下层middle class1.中产阶级not in the same class with1.不能同...相比， 无法和...相提并论， 比不上...proprietary class1.有产阶级scheduled class1.(印度种姓制度中地位最低的)贱民take a class at (Oxford)1.在（牛津大学）进荣誉班take a class of1.担任...班的教师take classes in1.听...课， 选修...课程the classes1.上层社会， 知识阶层the classes and masses1.各阶级和各阶层tourist class1.(客轮)三等舱upper class1.上层社会， 贵族阶层特殊用法absolute ideal class1.绝对理想类abundance class1.多度级accelerated class1.速成班accuracy class1.精度等级additive classes1.加性类adjustment class1.[美]（为学习困难学生办的）慢班， 补习班advanced class1.高级班age class1.年龄级all-day class1.全日班alternative class1.交替类（语义）ambig class1.奇异类analytic isomorphism classes1.解析同构类associate class1.相伴类auxiliary class1.辅导班baby class1.婴儿班backward class1.落后班beginner's class1.[英]（托儿所）小班； 初学班canonical class1.典范类canonical cohomology class1.标准上［典范上］同调类canonical divisor class1.标准［典范］除子类canopy (cover) class1.林冠级character class1.字符类别characteristic class1.特征 曲线类型characteristic class of a fibre bundle1.纤维丛的示性类characteristic class of a manifold1.流形的示性类characteristic cohomology class1.上同调类特征children's class1.幼儿班clinohedral class1.【晶】斜面类clipping coupons class1.剪息票阶层， 食利阶层close class1.封闭类， 有限类（一般指虚词， 变化较小）cobordism class1.配边类cohomology class1.上同调类complete class1.完全类completely additive class1.完全加性类comprador class1.买办阶级conformal equivalence class1.保形等价类congruence class1.同余类conjugacy class1.共轭类continuation class1.补习班contrary class1.反组cooperating class1.合作班correspondence class1.函授班countably additive class1.可数加性类cover class1.优势等级， 盖度级crown class1.树冠级crystal class1.晶类cutting class1.采伐级cyclically moving class1.循环移动类density class1.密度级denumerable class1.可数集（合）development class1.[美]智力发展落后班diagonal cohomology class1.对角上同调类diameter class1.(直)径级differential class1.微分类differential divisor class1.微分因子类dimming class1.(光学玻璃的)风化等级disciplinary class1.惩戒班discrete class1.离散类distribution class1.分布类diver class (ducks)1.潜水鸭类divisor class1.除子类domatic class1.【晶】斜面类dominant age class1.优势年龄组dual cohomology class1.对偶上同调类economy class1.经济舱； 客机普通座ergodic class1.遍历类， 各态历经的类ergodic recurrent class1.遍历递归类erosion class1.侵蚀等级essentially complete class1.本质完备类evening industrial class1.夜间职业班examination class1.考试课example class1.模范班experimental class1.实验班express class1.速成班extension class1.推广班extramural classes1.校外班failure classes1.失效种类， 故障类fifth class1.第五级货品file class1.文件类别［分类］finitely additive class1.有限加性类fire-cause class1.火种fire class1.火种fire size class1.火灾等级（按火灾范围）fixed-income class1.固定收入阶层formal class1.形式类fresh air class1.露天教学班freshman class1.新生班function class1.功能类fundamental cohomology class1.基本上同调类general continuation class1.普通业余补习班general summary class1.概括课； 总结课generalized nilpotent class1.广义幂零类generated hereditary class1.生成的可传类generated monotone class1.生成的单调类graduating class1.毕业班hereditary class1.遗传类homology class1.(下)同调类homotopy class1.同伦类immunoglobulin class1.免疫球蛋白类implementation classes1.实际应用课程in-and-outer class1.[美]短期职业训练班insulation class1.绝缘种类［等级］instructional class1.教学班级intellectual class1.知识阶级［分子］international rating class1.国际级别interrupt class1.中断级introductory class1.启发课， 入门课， 绪论课isomorphism class1.同构类isosemantic class1.同义类isotopy classes1.合痕类job class1.工作等级［分类］junior class1.低年级， 小学班； [美]三年级key class1.关键字分类land-use classes1.土地利用级别landscape class1.景观级leaf-size class1.叶级leisure class1.有闲阶级leisure hour class1.[美]业余学习班life-career class1.生活职业班linear equivalence classes1.线性等价类literacy class1.扫盲班， 识字班Lloyd's class1.劳氏船级locality class1.地位级lock class1.锁定级log class1.原木等级lower class1.下类， 下部lumber class1.锯材等级luminosity classes1.光度型machine classes1.机械（作业）等级major work class1.重点班make-up class1.[美]补习班mapping class1.映射类median class1.中位数组Mediterranean class1.地中海鸡类membership classes1.从属度类merchant-capitalist class1.商业资产阶级middle class1.中层阶级minimal complete class1.最小完备类mixed class1.男女合班natural class1.自然类night class1.夜校nilpotent class1.幂零类non-null class1.非空类non-overlapping class1.互不覆盖类noon-time classes1.中午班normal training classes1.师资训练班nuclear class1.核类null class1.零类nursery class1.婴儿班occupational class1.职业组operator class1.算子类opportunity class1.补习班orientation class1.定向类outdoor class1.露天教室； 室外课outgoing control class1.输出控制级parallel class1.平行班part-time class1.业余班pattern classes1.模式类别pedagogical classes1.[苏]（女子中学附设的）师范班precedence class1.优先类precision class1.精度等级preparatory class1.(入学前的)预备班principal ideal class1.主理想类professional class1.职业班； 职员阶层proprietary classes1.有产阶级quasi-equivalence classes1.拟等价类reception class1.[英]（幼儿学校中的）小班recurrent class1.递归类reenforcement classes1.补习班right residue class1.右可剩余类ruled class1.被统治阶级selected class1.所选类selective class1.选择性类semantic classes1.语义类别senior class1.毕业班； 四年级； 高年级sense class1.指向类sessional class1.短期学习班shape class1.形状等级ship's class1.船级short-term training class1.短期训练班singular class1.奇异类singular homology class1.奇异（下）同调类， 连续（下）同调类site class1.地位级size class1.树木径级； 孢粉大小等级supplementary class1.附设班， 补习班social class1.社会等级soil class1.土级spectrum classes1.光谱类别spherical class1.球面类staining class1.侵蚀等级stem class1.(树)干级structural class1.结构类subordinate class1.从属类subsidiary class1.附类summer make-up class1.暑期补习班system class1.作业级symmetry classes (of tensor)1.对称（张量）类technical class1.技术等级terminal class1.毕业班texture class1.质地（分）级top class1.最高级topological isomorphism classes1.拓扑同构类trace class1.迹类trade extension class1.[美]职业讲习班trade preparatory class1.[美]职业预备班transfinite class1.超限类translation class1.(学生升级、升学)组成的新班； 翻译课tutorial class1.(由导师个别指导的)研究班twilight class1.夜校ultimate class1.毕竟类unit class1.单元类universal class1.全类universality class1.普通类upper class1.上类， 上部user class1.用户级void class1.空类， 空集wage-earning class1.工资劳动阶级writing class1.写字课class by ability1.按能力分班class for advanced studies1.进修班， 高级班class for backward children1.超龄［落后］儿童班class for illiterate1.初学班， 扫盲班class of a curve1.曲线的类class of a lattice group1.格群类class of advanced training1.进修班class of business1.业务范围［种类］class of construction1.建筑等级class of distribution function1.分布函数类class of emission1.发射类别class of exchange1.交换台等级［类别］class of fit1.配合类［级］别class of goods1.货物等级（价率）class of liabilities1.负债的种类class of paths1.道路类class of permutations1.排列类class of post-graduates1.进修班； 研究生班class of resistance to acids1.抗酸等级class of resistance to alkalis1.抗碱等级class of risk1.危险类别class of station1.电台类别class of taxpayer1.纳税人分级class of track1.线路等级class of traffic1.运输等级（快、慢）class of trains1.列车等级（速度）class of triangulation1.三角测量等级class of variate1.变式类class of worker1.工作人员类别