Farmers thresh grain with threshing machines.农民用脱粒机脱粒.Nowadays most farmers use a machine to thresh their wheat.现在多数农民使用机器脱麦粒.In some villages farmers use a machine to thresh wheat.在一些村子里,农民用机器来打麦....
再将硝酸纤维素滤膜置于含碱的湿滤纸上, 碱的作用是使DNA变性.The nitrocellulose filters are then placed on wet filter paper containing alkali, which denatures the DNA.目的: 测定知柏地黄丸中盐酸小檗碱的含量.Objective : To analyse the content of berberine hydrochloride...
Emerson's words might also serve as an epigraph for the pages that follow.爱默生的话也可以作为以后历史篇章的格言.Every cut of ancient epigraph of this kind is precious.这种古代金石铭文,一刻千金.As aspecial case , the viability of epigraph of a su...
What are you gazing at?你在凝视什么? stare指 “睁大眼睛、目不转睛地盯着看”,如:She was gazing at him with a soft, contented smile on her face.她注视着他，脸上带着温柔而满足的微笑。Gazing up into his eyes, she seemed to take in all he said.她抬起头注视着他的眼睛，好像听懂了他说的一切。...