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
I wish I could go there with you, Grandpa.
我真希望我能够跟你一起去， 爷爷。
The teacher was not at all happy with his students.
那位老师对他的学生毫不满意。
In the Northeast it will be fine.
东北天气晴朗。