请输入您要查询的英文词组：
词组
efficiency/efficacy
释义
efficiency/efficacy
见efficacy
知识来源：
赵振才 编著.英语常见问题解答大词典.哈尔滨：黑龙江人民出版社.1998.第355页.
随便看
on the floor/at the floor
on the morning/in the morning
on the next Monday/on Monday next
on the whole/as a whole
on time
on time/in time
on to/onto
onto/on to/on
on top of/above
on/upon
on watch/on the watch
on watch/on the watch
on which to do
on which/which...on
open
open
open...at/to
open/opened
operate
opponent/adversary
opposite
or
or
or
or
英语用法大全包含4017条英语用法指南，基本涵盖了全部常用英文词汇及语法点的翻译及用法，是英语学习的有利工具。
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更新时间：2024/10/30 14:11:40