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
I realize that pPeter wants you to marry him this summer.
我知道彼德想要你今年夏天和他结婚。
Civility costs nothing.
礼貌不须什么代价。
She lives in Nigeria.
她住在尼日利亚。