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
What's that?
那是什么？
Neither father nor mother likes this weather.
爸爸妈妈都不喜欢这天气。[咬五次舌头]
What's that, Jim? Is it a picture?
吉姆，那是什么？一张照片？