serrate
词根词缀：
serrate adj. 锯齿状的
serr 锯子 + ate …的 → 像锯一样的 → 锯齿状的
serration n. 锯齿状
serr 锯子 + ation 表状态 → 锯齿状
serried adj. 密集的
serri〔= serr〕锯子 + ed 表形容词 → 像锯齿一样排列紧密的 → 密集的
数据来源：新东方英语词汇速记大全
相关例句：
European perennial whose serrate leaves yield a yellow dye.
欧洲终年植物，其锯齿状叶子可制黄色染料。
Leaf blade base broadly cuneate to rounded, margin obtusely serrate; drupe and endocarp ellipsoid to oblong.
叶片基部宽楔形到圆形，边缘钝锯齿；核果和内果皮椭圆形的到长圆形。
The equivalent mechanism and the serrate theory of the eccentric wheel pushrod planetary transmission is studied the parameter equation of the teeth profile curve is deduced the proposition that the drive ration is constant is authenticated in this paper.
本文主要对偏心轮推杆行星传动的等效机构，齿形理论进行了研究，推导出了齿廓曲线的参数方程，给出了定传动比的运动学证明。
The Relationship between Dip Angles of Serrate planes and Beddings in Stratified Rock
层状岩体中锯齿面与层理面倾角间的关系
Experimental study on mechanical properties of Serrate structure surface
锯齿状结构面力学效应实验研究
To satisfy the requirement of the standardization of serrate number and module of gear, the corresponding discrete optimization is provided.
针对齿数、模数的规范性和离散性要求，进行了相应的离散优化处理。