?? 詞語組成解析
common
['kɑm?n]
adj. 普通的;通俗的;[數(shù)學(xué)]公共的;共有的;
n. [法律]（對土地、水域的）共有權(quán);公共用地;普通;平民;
陰地蕨屬
??? 情景例句
Very well, sir. You'll have them as soon as possible.
好的，先生。我會盡快送過去。
Think nothing of it.
別放在心上。
I know that one of the towers is on the top of a hill, but the rest of the buildings are easy to get to.
我知道其中有個塔在山上，但其余的建筑物都并不難上。