Chromatography column
[建] 色譜精煉柱
?? 詞語組成解析
n. 色譜法\\n[化] 色譜法; 層析法
column
['kɑl?m]
n. 縱隊，列;圓柱;專欄;
??? 情景例句
Yes, Charles Maxwell.
是的， 我是Charles Maxwell。
Please forgive me.
請原諒我。
About once a month. Not too often, because neither of us has much time. We both have too much work to do.
大約每月一次。不太經常寫信，因為我倆的時間都很緊。我們都有做不完的事。