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
She keeps all of her jewelry and valuables in a safe.
她把所有的首饰和贵重物品都放在保险柜里。
She wants me to come as often as possible.
她希望我尽可能常来。
I read a few lines, but I did not understand a word.
我读了几行，但一个字也不懂。