The valence atom of an alkali - metal atom has two states.碱金属原子的价原子具有两种能态.Such detergents do not yellow the wool as alkali tends to do.这种洗涤剂不会象碱那样使羊毛发黄.All the alkali metals have a single s - electron outside a closed sh...
It's a difficult place to live because of its climatic extremes.该地气候极端,很难让人生存.These two previously isolated species coalesced because of some large climatic change.两个以前相隔离的种因为某种大的气候变迁而接合在一起.It’s a difficult place to...
Will wanted to do likewise, but felt too discomfited.威尔也想照着做，但觉得太难堪了。He was discomfited by the unexpected questions.意料不到的问题使得他十分尴尬.He will be particularly discomfited by the minister's dismissal of his plan...部长对他计划...
从那时起,我一直渴望和他面对面地聚会.Ever since then I've been longing to meet him face to face.我和她面对面坐着.I sat face to face with her.阅读印在纸上的内容远不如与伟大的思想家面对面探讨那般受益。The printed word is no substitute for personal discussion with a great ...
He was witty, amusing and gifted with a sharp business brain.他机智诙谐，具有敏锐的商业头脑。He is gifted with rare eloquence.他天生具有罕见的口才.He was gifted with so fine a nature that his success became him.他生来有那么一种好气质,他的成功对于他很适宜....
Two main glacial epochs affected both areas during the last 100 million years of Precambrian times.在前寒武纪的最后1亿年中，两个主要的冰川时期对两个地区都产生了影响。Gneiss, a metamorphic rock, can be commonly found in Precambrian areas.片麻岩, 变质岩, 可以发现,在...