Objective : To study the chemical constituents from the roots and rhizomes of Clematis hexapetala.目的: 研究棉团铁线莲Clematis hexapetala的干燥根及根茎的化学成分.CONCLUSION Compound ～ are isolated from Clematis genus for the first time.结论化合物...
你必须全力以赴，最大限度地去努力。如果你这么做，并且保持乐观，你就会看见乌云背后的幸福线。You have to do everything you can. You have to work your hardest. And if you do, if you stay positive, then you have a shot at a silver lining.嘲笑声的背后潜伏着一种越来越强烈的不安。Behind the m...
Brian was whirling like a dervish, slapping at the mosquitoes and moaning.布赖恩如同旋转舞蹈的托钵僧一样转来转去，一边拍打着蚊子一边抱怨不停。He worked the room like a politician, gripping hands, and slapping backs.他又是握手，又是拍背，像个政客一样把一屋子的人都笼络了一番。Science t...