In the event of difficulties, please do not hesitate to contact our Customer Service Department...如果遇到困难，请尽管和我们的客户服务部联系。Please don't hesitate to tell either Mr Schrader or myself should you feel ill again...如果你再觉得不舒...
Do not hesitate to laugh at anything you find amusing.只要觉得好笑就尽管笑。She didn't hesitate to tell intrusive photographers to "naff off".她毫不客气地叫那些烦人的摄影者“滚开”。They don't hesitate to open fire when confronted by police....
摘要前列腺特定抗原 ( PSA ) 为一已经定性清楚之人类前到腺特定醣蛋白.Prostate - specific antigen ( PSA ) is a well characterized human prostate specific glycoprotein.作为离开被感染细胞的病毒粒子起作用的胜肽聚醣蛋白.As peptide glycoproteins react with viral particles leaving ...
7月或8月时从它上边剪一些插枝。Take cuttings from it in July or August.他把书从上边的架子上取下来.He lifted the books down from the top shelf.把这本书放在其他书的上边.Put this book on top of the others....
Dodo, her expression uncertain , hovered behind O'keefe.多多带着半信半疑的表情, 守在奥基夫的身后.He supposed, though, he would dispense with Dodo soon.可是他觉得他不久会把多多抛弃的.He was aware of Dodo's innocent blue eyes regarding him.他觉察到多多...
His other scientific interests concern cosmology and high - energy astrophysics.他的科学兴趣还包括宇宙论与 高能 天文学....the ideas implicit in Big Bang cosmology.宇宙大爆炸理论中一些不明晰的概念However, we do need to describe Aristotle's basic idea...
用胺作为质子吸收体代替吡啶还是得到同样的结果.Amines other than pyridines have been successfully employed as a proton sponge.适当地利用吸收体,可以使前两种相应特性得到改善.The first two of these characteristics can be improved by the judicious use of absorbers.所以良吸收...