Injection piston
[化] 注射柱塞
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
🗣️ 情景例句
You're really good at that.
你做得真不错。
Pardon me.
请原谅。
I'm calling to see if you would like to have lunch tomorrow.
我打电话给你，是想知道明天一起吃顿中饭怎样？