Injection plunger

[化] 注射柱塞

🧩 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
plunger [['plʌndʒə]]
n. 跳水者, 潜水者, 活塞\\n[电] 活柱

🗣️ 情景例句

I'd like an advance copy of the book, though,
但我想要一本新书的试印本
To get a driver's license
取得驾驶执照
He became mortally ill a few months before we had planned to go and,
就在他计划回国的前几个月,他突然身患绝症。
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