上筛 meaning in English
chaffer
short straw sieve
top screen
top sieve
upper sieve
Examples
- The light wind strewed it with beautiful shadows of clouds and trees .
清风在其上筛落下云朵和树木的美丽的影子。 - To this day coal is said to be screened in the colliery when it has stone and other impurities removed from it .
据说煤中掺有石子和其它杂质须去掉时，至今仍得把煤在矿上筛过。