sieving的音标：sieving的英式发音音标为：['sɪvɪŋ]sieving的美式发音音标为：['sɪvɪŋ]...

Molecular sieving effect of the ACF based PAN was found during adsorption.在吸附时,PAN基ACF呈现出明显的分子筛效应.She is sieving the rice in order to sieve out the stones.她正在把米过筛,好把石头筛出.By preassigned credibility and precision, effectiv...

n.筛（选），筛分（法）v.筛，漏勺( sieve的现在分词 )...