🧩 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;
tooth
[tu:θ]
n. 牙;齿;齿状部份;
vt. 给…装齿;
vi. 啮合;
🗣️ 情景例句
I know he will love the new photographs for your book.
我相信他会喜欢你为你的书所拍的这些新照片。
What influenced you when you made your choice?
你做这样的选择是受了什么影响？
Mrs. Zhu, I called to tell you that the conference has been delayed until the 15th and 16th.
朱夫人，我来告诉你会议已经推迟到了15号至16号开。