Injection cylinder
[化] 喷射气缸
🧩 词语组成解析
🗣️ 情景例句
Hello. What can I do for you?
你好。我能为你做点什么吗？
The wise man knows he knows nothing,the fool thinks the knows all.
聪明人自认一无所知，愚笨人自负无所不晓。
Not at all, dear. It was a pleasure.
不必客气，亲爱的。这样我很高兴。