Injection plunger
[化] 注射柱塞
🧩 词语组成解析
plunger
[['plʌndʒə]]
n. 跳水者, 潜水者, 活塞\\n[电] 活柱
🗣️ 情景例句
She takes her exams next week, so she's burning the midnight oil.
她下周要考试，所以在开夜车。
Let's find out.
我们去问一下吧。
No matter how much you want to bathe, it just isn't safe.
不管你多想在这里游泳（都不要游），这里不安全。