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
How about a lemonade break?
休息一下喝点柠檬水好吗？
It's very nice of you to come and see me off.
您来给我送行，真是太客气了。
It's often cold in November and it rains sometimes.
11月常常就冷了，而且有时下雨。