Stephen was stabbed to death in an unprovoked attack nearly five months ago.斯蒂芬在近5个月前无故遭到袭击，被捅死了。an act of unprovoked aggression无端的侵犯行为Her angry outburst was totally unprovoked.她的暴跳如雷完全是无理取闹。a totally unprovoked attack无端...
如果氟的含量高, 会加剧设备的腐蚀.If the fluorine content is high, it may increase plant corrosion.阐述用氟离子选择电极测定低铬钝化液中的氟的方法.Ion selective electrode analysis of fluoride in deluted chromating solution is described.结论氟化牛奶中氟的生物利用率是足够高的.Conc...
到半程时，威尔士的世界级选手马修·波斯特尔位居第三。Welsh international Matthew Postle was third fastest at the halfway point.它最高的火山是早已熄灭的奥林波斯山。Its tallest volcano, long extinct, is Olympus Mons.这些问题请教波斯纳教授算是问对人了。These questions were tailor-made ...
这层大气称为外逸层.This region is called exosphere.在对流层上是平流层, 接着是电离层,最上层是外逸层.Above the troposphere is the stratosphere, followed by the ionosphere and capped by the exosphere....
The Brandenburg Gate in Berlin was reopened, signifying the reunion of East and West Germany.柏林的勃兰登堡在这一天重新开放, 意味者东德和西德的统一.There are always new projects which seem to put the reunion back further...总是有新的项目使重聚一推再推。The chil...