May your life be like the snowflake, which leaves a mark but not a stain.

愿你的生命像雪花，留下标记而不是污点。

youdao

The water left a mark on the silk dress; Her blood left a stain on the napkin.

水致使她的裙子留下痕迹；她的血致使餐巾留下痕迹。

youdao

The method can overcome the defect that the oil stain could make a big error in the image processing, and can mark the region of the defect.

该方法可以克服油渍在图像处理中会造成较大误差的缺点，并且能够对麻点缺陷区域进行确定。

youdao

But when she turned pale, there was the mark, like a red stain upon snow.

VOA: special.2009.09.26

The shavings were then immunostained bathed in a special reagent that would mark the presence of abnormal proteins with a bright, telltale red or brown stain on the surface of the tissue.

NEWYORKER: Offensive Play