Back coordination
[化] 反馈配位
🧩 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
until I have a chance to talk with you about it.
除非我有机会跟你谈过。
First come, first served.
捷足先登。
The students are going to take the test in two days' time.
学生们准备在两天后就接受测验。