英语词汇secondary activity的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	secondary activity
释义	secondary activity 英?[?sek?nd?ri ?k?tiviti] 美?[?s?k?n?d?ri ?k?t?v?ti] 释义第二级业务
随便看	concave barrel concave base concave beater concave bending of frame concave bit concave bottom concave bow concave brick concave butt weld concave cam concave camber Concave-Casqued concave circular saw concave clearance concave clearance adjuster concave clearance lever concave closure concave closure of saddle function concave collector concaveconcave concave concave concave-concave concave continuous function concaveconvex concave-convex

英汉双解词典包含4367426条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。