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1·These ink stains won't wash out.

这些墨渍洗不掉。《牛津词典》

2·Those grease stains won't wash off.

那些油渍洗不掉。《牛津词典》

3·It leaves indelible stains on clothes.

它会在衣物上留下洗不掉的污渍。《柯林斯英汉双解大词典》

4·This treatment removes the most stubborn stains.

这种处理去掉了最难以去除的污渍。《柯林斯英汉双解大词典》

5·Stains are removed with buckets of soapy water and scrubbing brushes.

污点用一桶桶的肥皂水和擦洗的刷子除掉了。《柯林斯英汉双解大词典》

6·If you soak the tablecloth before you wash it, the stains should come out.

先把桌布浸一浸再洗，污迹就能去掉。《牛津词典》

7·This carpet stains easily.

这块地毯不耐脏。《牛津词典》

8·These ink stains won't come out of my dress.

我衣服上的这些墨水斑点洗不掉。《牛津词典》

9·This detergent is good for getting stains out.

这种洗涤剂能清除斑渍。《牛津词典》

10·Darker colours are more practical and don't show stains.

深色不显脏，更实用。《牛津词典》

(1)stain resistance抗着色污染；防沾污性

(1)oil stain油渍；油斑；油性着色剂

(1)gram stain革兰氏染色剂

(1)blue stain[生物学]蓝着色；蓝变

(1)wood stain木材着色剂

(1)blood stain血痕