重要

stain

/steɪn/📚 7492 43 2四级六级考研托福雅思高考
A stain is a mark on something that is difficult to remove. 污渍

verb [vt. 及物动词](被)玷污,留下污渍;给……染色(或着色);玷污,败坏(名声等)

Some foods can stain the teeth, as of course can smoking.
某些食物会使牙齿着色,吸烟当然也会。

noun [具体名词]污点,污渍;染色剂,着色剂;(名声上的)污点;(纹章)(纹章和徽章的)辅助色,次要颜色(尤指棕褐色和血红色)

Remove stains by soaking in a mild solution of bleach.
用温和的漂白溶液浸泡以去除污渍。

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