Limit switch(open,close)
[化] 极限开关
🧩 词语组成解析
🗣️ 情景例句
What place would you most like to visit?
你最想到哪个地方旅行？
He brushes his teeth.
他在刷牙。
Work on it had begun before my sister left.
这栋房子在我姐姐离开之前就已动工了，