氯化是用N- 卤胺和硫酸.Chlorination is carried out with Nhaloamines and sulfuric acid.氯化物被认为是一种元素与氯化合组成的化合物.Chlorides are considered as compounds consisting of one element combined with chlorine.用氯化钛溶液可以很方便地研究钛的反应.The reactions ar...
Ginny's initial rage at his treatment of Chris had simmered down to resentment.金尼起初因他对待克丽丝的态度而怒火中烧，后来这种愤怒慢慢沉淀为了憎恶。He asked Ginny if she would consent to a small celebration after the christening.他问金尼是否同意在洗礼之后小小地庆祝一下...
地球的周日自转the diurnal rotation of the earth地球每天的自转the daily rotation of the earth on its axis地球既公转又自转.The earth revolves both round the sun and on its own axis....
Both doctor and Don smiled at this witticism.大夫本人和老头子都对这样的打趣发笑了.He tries to lighten his lectures with an occasional witticism.他有时想用俏皮话使课堂活跃.His witticism was as sharp as a marble.他的打趣话十分枯燥无味....
It's so restful to meander along Irish country roads.沿着爱尔兰的乡间小路漫步是多么惬意。His talk appears to meander but by the end focuses attention on the true state of affairs.他的谈话看似不着边际，最终却集中到了事态的真相上来。They tumble down mountainsid...