我的男校友和女校友都出席了我的生日聚会.My alumni and alumna are present at my birthday party.假如玛莉和比尔从我们学校毕业的话, 那麽她就是女校友,而他则是男校友.If Mary and Bill graduate from our school, she is alumna and he is an alumnus.一小群男校友正在体育场停车场团聚.A little knot of...
锑的百分含量由各蓄电池生产厂自己掌握.The percentage of antimony may be left to the battery manufacturer.我国盛产锑.Antimony abounds in out country.锑能增加铸件的硬度.Antimony adds to the rigidity of the casting....
Cantabile youth, as well as and flow, sometimes low, sometimes sonorous.青春如歌, 亦如随波而流, 时而低沉, 时而高亢.'Doctor McKee?' the man called in an even, sonorous voice.“是麦基博士吗?”那个男人用平稳而洪亮的声音喊道。"Doctor McKee?" the man called...