make the grade
1. 达到标准
The trial flight has made the grade.
试飞成功。
on the down grade
1. 走下坡路
Their marriage is on the down grade.
他们的婚姻关系每况愈下。
on the up grade
1. 走上坡路
Business is on the up grade.
生意在好转。
习惯用语at grade1.[美]在同一水平面上down grade1.下坡, 往下走2.变坏make the grade1.上陡坡2.[美]克服困难3.达到标准on the up grade1.上升[下降]; 盛[衰]on the down grade1.上升[下降]; 盛[衰]up grade1.上坡, 往上走2.变好up to grade1.够标准, 合格特殊用法accelerating grade1.加速坡accuracy grade1.准确度级别activation grade1.活化度annealing grade1.退火程度[等级]army grade1.(陆军)军用级ascending grade1.升坡, 上坡度bunching grade1.压缩坡cattle grade1.家畜等级标准centesimal grade1.百分制choice grade1.精选级chromatographic grade1.色谱级(的); 色谱用(的)circuit grade1.电路品级[类别]coasting grade1.惰力运行坡道collegiate grade1.大学程度combination grade1.(在两个标准等级之间的)中间级combined grade1.混合[混装]等级commercial beef grade1.商品级牛肉common grade1.普通等级contrast grade1.反差度, 对比度coupler compressing grade1.压钩坡cut-off grade1.品位下限, 截止品位cutter beef grade1.绞肉级[第六级]牛肉dark grade1.深色烟叶diameter grade1.直径阶domestic grade1.民用规格double spur grade1.人字坡downhill grade1.下坡道economic grade1.经济坡度excessive grade1.过陡坡度expanding grade1.胀管度extra grade1.特级extra-pure grade1.超纯级fancy grade1.特级, 最优级finished grade1.已修整坡度flat grade1.平缓坡道floating grade1.滑行坡度forging grade1.锻造级fuel grade1.【航空】燃料品级good beef grade1.良级(七级中的第三级)牛肉grease grades1.润滑脂品级height grade1.树高阶ideal grade1.(磨具的)理想硬度incline grade1.倾度industrial grade1.技术等级inertia grade1.惰性坡度inferior grade1.低级品insulation grade1.绝缘等级intermediate grade1.中年级jelly grade1.(肉冻, 果冻等的)胶凝度large grade1.大型的, 尺寸大的, 大规格的limiting grade1.限制坡度locating grade1.定线坡度log grade1.原木等级long heavy down grade1.长大下坡道longitudinal grade1.纵坡度low grade1.低级的, 低质量的marketable grade1.商品级, 销售级medium grade1.中级(指大小), 中型规格minimum economical descending grade1.最小经济降坡minor grade1.较小坡度mixed grades1.异级混合物; (石油产品的)不同类混合物momentum grade1.动量坡度navy grade1.海军级; 舰队级near-level grade1.平坡noise grade1.噪声等级oil grade1.油的粘度号, 油的牌号parabolic grade1.抛物线坡度passing grade1.及格pectin grade1.果胶的胶凝度premium grade1.珍贵优质的商品primary grades1.[美]小学低年级profile grade1.纵断面坡度pusher grade1.推挽坡度, 需用补机的坡道reagent pure grade1.试剂纯级(品)reverse grade1.反向坡度road grade1.道路坡度rolling grade1.起伏坡度ruling grade1.限制坡度sampled grade1.试样品位satisfactory grade1.成绩符合要求的毕业班seasonal grades1.季节级别service grade1.职务级别slight grade1.缓坡spectrographic grade1.光谱级steel grade1.钢的等级, 钢种, 钢的牌号steep down grade1.陡下坡stoker grade1.加煤机用品级straight grade1.直坡度sustained grade1.持续坡度switching grade1.(编组场)调车坡tapering grade1.尖削度technical-pure grade1.工业纯品telegraph grade1.电报级temper grade1.淬火程度timber grade1.木材等级top grade1.最高级; 优级2.高质量的track grade1.轨道坡度trade grade1.商品级, 销售级undulating grade1.起伏坡度uniform grade1.均匀坡度unsatisfactory grade1.不及格(分数)upper grades1.[美]中、小学七、八年级; 六年制初中的四、五、六年级virtual grade1.虚坡度volatile grade1.挥发度winter grade1.冬用级grade by colour1.按颜色分级grade of fit1.【机】配合等级, 适合[适应]度grade of freshness1.新鲜度等级grade of limits1.限度等级grade of load1.(起重机的)负载等级grade of precision1.精度等级grade of service1.服务等级[质量]grade of slope1.坡度, 斜度grade of tolerance1.公差等级