Back-pressure operation
[机] 背压操作
🧩 词语组成解析
back
[bæk]
n. 背，背部;背面，反面;后面，后部;（椅子等的）靠背;
vt. 使后退;支持;加背书于;下赌注于;
vi. 后退;倒退;
adj. 背部的;后面的;以前的;拖欠的;
adv. 以前;向后地;
🗣️ 情景例句
You'll feel better tomorrow, Betty, believe me.
明天就会好些， Betty， 相信我。
Don't forget to phone to let us know you arrived safely.
不要忘记打电话，告诉我们你已经安全抵达。
No, they're still working on it.Let's go into the garage and have a look at it.
没有，他们还在修呢。我们到车库去看一下吧。