Back ground
[经] 背景
🧩 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;
ground
[ɡraʊnd]
n. 地面，土地;基础;范围;阵地，战场;
vi. 搁浅，停飞;着陆;
vt. 把…放在地上;在…的基础树立上;交给…基本知识;使…受初步训练;
v. grind的过去式和过去分词;
🗣️ 情景例句
All we have to do now is shake hands.
现在我们所该做的只是握手了。
Yes, I guess that would be all right.
行，我想没问题。
This time he was barking so that someone would let him out! Since then, he has developed another bad habit.
这次它叫着让人把它放出去！从那以后，它养成了另外一种坏习惯。