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efficiency

/i'fiʃәnsi/

★★☆☆☆四级英语词汇六级英语词汇考研英语词汇托福英语词汇

📖 中文释义

  1. n. 效率, 效能, 功效
  2. [医] 效率, 效力

🔗 释义中的汉语词

效率效能

🧩 词形变化

复数 efficiencies

💬 双语例句

  1. The challenge we are going to face is how to increase work efficiency.

    如何提高工作效率是我们现在要面临的难题。

  2. We want space efficiency.

    我哋用空间都要讲求效率

  3. We have optimized the database indexing, and as a result, system efficiency has improved by 50%.

    我们优化了数据库索引，结果系统效率提高了50%。

🔴 反义词

inefficiency

🔗 常用搭配

energy efficiencyfuel efficiencyeconomic efficiencygreater efficiencyin energy efficiencyincreased energy efficiencyefficiency gainsmarket efficiency
📘 English Definition（英文释义）
  1. n. the ratio of the output to the input of any system
  2. n. skillfulness in avoiding wasted time and effort