Packed extration column
[化] 填充式萃取塔
🧩 词语组成解析
packed
[pækt]
adj. 充满…的;塞满了…的;
v. 包装(pack的过去式和过去分词);
column
['kɑləm]
n. 纵队，列;圆柱;专栏;
🗣️ 情景例句
But first you have to smile.
但首先你得笑一笑。
I remember the girl whose father earns $ 10000 a month.
我记得那个女孩的父亲一个月赚一万元。
Von Frisch wanted to find out whether the dance told them how far away the feeding place was.
冯·弗里施想弄清舞蹈是否告诉它们离喂食点有多远。