All organic and metallic residues on the wafers must be removed.片子上所有的有机和金属残留物均必须清除.Both the R groups are alkoxy residues.两个R基团都是烷氧基.For determining potency and residues by microbiological assay technique . Especially fo...
I shivered and pulled my scarf more tightly round my neck.我打了个寒战，用围巾把脖子围得更紧了。Hundreds of tightly rolled newspapers were set aflame among the 50,000 crowd.几百张卷紧的报纸在为数5万的人群中被点燃。The sudden height dizzied her and she clung t...
在无胚乳的种子中, 胚乳是 短命 的.In exalbuminous seeds, the endosperm is short - lived.你们的结合通常深厚刺激但却很短命.This union is usually hot , heavy and short lived.也许我还会短命,压根儿做不了妈妈.But perhaps I will die before I become a mother....