Back relation
[法] 追溯
🧩 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
The water's pretty deep here.
这里水相当深。
The butter has an odor of cheese about it.
奶油的周围飘荡着干酪的味道。
I can't see them there. Did you buy any this morning?
桌子下面没有。你今天早晨买了吗？