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...
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....
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...