Back flushing
[化] 反洗; 逆流洗涤; 反吹
🧩 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;
[计] 冲洗\\n[化] 涌料
🗣️ 情景例句
But I think he was nervous tonight.
但我想他今晚有点紧张。
I will go with him if he asks me.
我会和他走，假如他要求我的话。
Try to look on the bright side of things.
尽量从好的方面看。