Injection efficiency - 英语单词详解·释义·助记·例句

🧩 词语组成解析

injection [ɪn'dʒɛkʃən]

n. 注射;注射剂;[医]充血;（卫星等的）入轨;

in向内，进入+ject投掷，扔+ ion名词后缀 → 向内投掷 → 注射

efficiency [ɪ'fɪʃənsi]

n. 效率，效能;实力，能力;[物]性能;功效;

ef出+fic做+iency表名词 →做出事情→ 有效率

I happened to meet her on the bus.

我凑巧在公共汽车上碰见她。

He is distinguished as an economist.

他是一名著名的经济学家。

In answer to these questions I either nodded or made strange noises.

作为对这些问题的回答，我不是点头，就是发出奇怪的声音。

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