Sodium ethylate was used as catalyst in Baker - Venkataraman of cyclization, and all factors were studied. 环合反应采用乙醇钠作为Baker-Venkataraman重排反应的催化剂, 研究了影响反应的各个因素.
The coelacanth inhabits the deep sea.腔棘鱼栖息于深海.The Coelacanth has very large eyes and distinct silver blue scales with white markings.它们有很大的眼睛和独特的蓝色带白斑的鳞片....
The extra income has meant Phillippa can tuck away the rent.额外的收入意味着菲莉帕可以把房租的钱存起来。His photographic memory enabled him to tuck away yards of facts.他过目不忘的记忆力使他能记下大量事实.The boy can tuck away a lot of food in one meal.这个男孩一顿饭...
劳拉正在分发她从家里相册中挑选出的相片。Laura was passing around photographs she'd culled from the albums at home.我要我的相片比例适当。I need my pictures to be anatomically correct.这张相片显得人不是十分漂亮。It wasn't a very flattering photograph....
He always brought his mother to church, and was the pride of all the matrons.他总是领着他妈妈到教堂来, 其他的妈妈都引以为豪.Week of Matron : Double growth for Matrons and Matriarchs.法师周: 法师产量加倍.Even slim girls can become stout matrons.甚至苗条的女孩...
When the Berlin Wall came down it wasn't just the roads that opened up but the waterways too.柏林墙一倒，不仅是陆路，连水路也开通了。He accepted the offer to become a professor at the Prussian Academy of Sciences in Berlin.他应聘到柏林普鲁士科学院...