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
I'd like to come to the ten o'clock advanced class this morning.
我想今早十点来上你的高级健身班。
Won''t you iron this shirt for me?
可以帮我烫这件衬衫吗？
I don't know.
我不知道。