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
It's good! It's this Sunday at 7.
好极了。宴会再本周日7点。
All roads lead to Rome.
条条道路通罗马。
he answered me, but he spoke neither slowly nor clearly.
他回答了，但他讲得既不慢也不清楚。