单词 Injection efficiency 完整解析：释义·音标·同近义词

🧩 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

If you'd like to hear some new English songs, I suggest you download them from the web.

如果你想听一些新的英文歌，我建议你上网下载。

So he keeps on studying after his English classes in order to prepare for life in America.

所以他在英语课下课后还继续学习，为以后在美国生活做准备。

What's your problem?

你怎么回事啊？

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