Halogen atoms contain seven electrons in their valence shell.卤原子在它们的介电子层含有七个电子.Hydrogen is a one - valence element.氢是一价的元素.Evaluate the evenhanded affirms valence can reflect investment both sides more, justice.评估确认价更能体现...
Objective : To investigate the clinical significance of the autologous serum skin test ( ASST ) in chronic idiopathic ur ticaria ( CIU ).目的: 探讨慢性特发性荨麻疹 ( CIU ) 患者自体血清皮肤试验临床应用的意义.Objective To investigate the effect and sa...
Steve McClaren's side struggled in the first half against Andorra.麦克拉伦的队员们在对阵安道尔的上半场比赛中非常努力.England play minnows Andorra on Saturday and Macedonia on Wednesday 6 September.英格兰队将在本周六和下周三分别迎战安道尔和马其顿.Together, Andorra ...
你可以和其他在线的人聊天。You can chat to other people who are online.他们可以在线下订单。They can order their requirements on line.在线辅导可供查阅。An online tutorial is provided....
Instead of deciding the real issue the commentator would chop logic.这位评论家不去解决实质问题,而总是咬文嚼字.He is a good commentator because he can get across the game.他能简单地解说这场比赛,是个好的解说者.Regular commentator Bill Thompson extols the virtu...
中餐: 生菜, 青菜和洋葱沙拉, 外加两杯脱脂的酸奶. 矿泉水.LUNCH: Lettuce, celery and onion salad, topped with two tablespoons of nonfat yogurt dressing. Mineral water.经过脱脂的大豆粕含有丰富的营养成分及微量活性物质.The soybean cake which has been degreased contains ric...
Medico - color is a method to adjust medico - environment by using color.医院环境色彩是调节现代医院环境的一种手段.Manned space environmental simulation technology is a very important branch of Space Medico - Engineering.载人航天环境模拟技术是航天医学工程学的重...