sieve
名词 sieve:
a strainer for separating lumps from powdered material or grading particles
同义词:screen
动词 sieve:
examine in order to test suitability
同义词:screen, screen out, sort
check and sort carefully
同义词:sift
separate by passing through a sieve or other straining device to separate out coarser elements
distinguish and separate out
同义词:sift