Britain's rarest breeding birds are under threat from fanatical and selfish egg collectors.英国最珍贵的种鸟正因为那些狂热而自私的鸟蛋收集者而面临着威胁。The rarest is type AB.最稀少的是AB型血.Monnet was that rarest of all prophets who put people at ease...
Firs,spruces and pines are conifers.冷杉、云杉和松树都是针叶树。Her firs big break came alongside Jane Russell in Gentlemen Preferred Blondes.她的冷杉很大的突破与简·里先生来金发碧眼的首选.Firs, spruces and pines are conifers.冷杉 、 云杉和松树都是针叶树.Pines, firs, an...
They had to evict some gypsies today and I had to go and fence the area off.他们今天必须驱逐一些吉普赛人，我得去把那个区域圈起来。Gypsies frequently transmit recipes orally within the family.吉普赛人经常以口头形式把秘方世代相传.Gypsies make difficult friends for or...
建立用色差法确定化学反应终点的分析方法,探索色度学在化学分析中的应用.A analytical method was developed for the termination of chemical reaction by chromatism.色标检测方法从原理上分为色度学方法和光度学方法两种.The principle for color scale detection divided into two kinds of colo...