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
Many shopping malls and supermarkets can deliver goods straight to your door.
许多购物中心和超市提供免费送货上门服务。
His toe is swollen, Does it hurt?
他的脚趾肿起来了，疼不疼？
Warn the trucking company to take it easy.
吩咐卡车运输公司要小心啊。