Jettron
气动开关(气流阻塞时产生电讯号)
🗣️ 情景例句
We'll know when tonight's papers come out.
今晚的报纸出来的时候， 我们就知道了。
The creditor has always a better memory than the detor.
放债人的记性比借债人好。
Debbie intends to take short rests every two hours.
黛比计划每两小时休息一下。