Injection piston
[化] 注射柱塞
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
🗣️ 情景例句
Just put it over there, Charles.
就放在这儿吧 ，Charles。
What do you want to do after graduation?
你毕业后想干什么？
Thank you very much. I'll return it as soon as I can.
非常感谢。我会尽快归还的。