1
efficiency of [noun]
常用于描述某事物的效率。
The efficiency of the new engine is impressive.
新引擎的效率令人印象深刻。
效率；效能
efficiencies — plural of efficiency
先理解核心含义，再看它在真实句子里的用法。
效率；效能
the quality of using resources, time, or effort effectively without waste
The efficiency of the new engine is impressive.
新引擎的效率令人印象深刻。
资源用于预期目的的程度。
The extent to which a resource is used for the intended purpose.
任何系统输出与输入之比
the ratio of the output to the input of any system
避免浪费时间和精力的技巧
skillfulness in avoiding wasted time and effort
The new software improves the efficiency of our daily work.
新软件提高了我们日常工作的效率。
AI contextual example
We need to measure the efficiency of this machine.
我们需要测量这台机器的效能。
AI contextual example
Her efficiency at handling emails saves the team a lot of time.
她处理邮件的效率为团队节省了很多时间。
AI contextual example
she did the work with great efficiency
她以极高的效率完成了工作。
WordNet
常用于描述某事物的效率。
The efficiency of the new engine is impressive.
新引擎的效率令人印象深刻。
强调在某个方面的效率。
We need to improve our efficiency in handling customer complaints.
我们需要提高处理客户投诉的效率。
常用搭配表示提升效率。
The company implemented new software to increase efficiency.
公司实施了新软件以提高效率。
Not this
This method is not efficiency.
Use this
This method is not efficient.
效率(efficiency)是名词，不能作形容词；这里需要用形容词efficient。
Not this
The new system improved the efficiency and the effectiveness.
Use this
The new system improved efficiency and effectiveness.
英语中，并列结构通常省略重复的冠词；这里不需要第二个the。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
能源效率
The new building is designed to maximize energy efficiency.
这座新建筑旨在最大限度地提高能源效率。
提高效率
We need to improve efficiency in our production line.
我们需要提高生产线的效率。
高效率
This machine operates with high efficiency.
这台机器以高效率运行。
运营效率
The company is focused on increasing operational efficiency.
公司专注于提高运营效率。
效率专家
The company hired an efficiency expert to streamline production.
公司聘请了一位效率专家来简化生产流程。
小户型公寓
She lives in a small efficiency apartment in the city center.
她住在市中心的一间小户型公寓里。
效率工资
Some firms pay an efficiency wage to reduce turnover.
一些公司支付效率工资以减少员工流动。
Use efficiencies naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记忆法：efficiency 中 'e' 代表 energy（能量），'fficiency' 类似 sufficiency（充足），能量充足则效率高。
[object Object]
泛指“效率”时通常不可数；efficiencies 强调不同类型的效率或具体指标。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.