vi. 弄脏;污染;被玷污;
vt. 玷污,染污;败坏(名声);给…染色;
n. 污点;瑕疵;着色剂;色斑;
s(dis的简型)+tain(to dye染色)→染污;污点
🗣️ 情景例句
How often do you go running?
你多久跑步锻炼一次?
I'm not really sure about that. Mr. Jiang should know the answer to that.
关于那事我不敢确定,蒋先生应该知道答案。
The more expensive kind of antique shop where rare objects are beautifully displayed in glass cases to keep them free from dust is usually a forbidding place.