Back-extractant
[化] 反萃取剂
🧩 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;
n. [分化] 提取剂；提炼物；分馏物
🗣️ 情景例句
If I make my own decision,
如果我自己作决定的话，
So he keeps on studying after his English classes in order to prepare for life in America.
所以他在英语课下课后还继续学习，为以后在美国生活做准备。
If a shop assistant told him she had not heard of it, he would pretend to be considerably put out.
要是女售货员告诉他从未听说过这些东西，他会装出十分遗憾和不安的样子。