Limit switch(open,close)
[化] 极限开关
🧩 词语组成解析
🗣️ 情景例句
You've met my wife Marilyn ...
你曾经见过我太太Marilyn……
Our first bill came yesterday, and we have some questions.
我们昨天收到的第一张帐单，有一些问题。
Please tell me how I can solve this problem.
请告诉我怎样才能解决这个问题。