Grace Robertson started as a photographer with Picture Post in 1947.格雷斯·罗伯逊于1947年参加工作，做了《图片邮报》杂志的一名摄影师。Robertson is not far off her target.罗伯逊离她的目标不远了。Robertson was a doer, not a thinker.罗伯逊是位实干家，不是空想家。...
犀牛, 这种虽不美丽但独特的动物, 已存活繁衍了五千万年.For 50 million years, the rhinoceros, that unbeautiful but unique beast, has survived.他们发现动物身上有阑尾这个器官大概已经8千万年了.They found that animals have appendixes for about 80 million years.爱你一辈子(爱你千万年)....
Is the mountain climbable?这座山能攀登 吗 ?With this restricted frequency range it is not applicable to hydrocarbons.这个较紧缩的频率范围不适用于烃类.During incomplete combustion some of the hydrocarbon fuel is cracked.在不完全的燃烧中,一些烃燃料裂解....