脸部的略图a crude drawing of a face画一幅北美的略图.Outline a map of North America.当全部观测方向都已包括时, 略图就正确地表示出图形.When all observed directions have been included, the diagram will correctly represent the figure....
Organized crime has an insidious influence on all who come into contact with it.所有和集团犯罪有关的人都会不知不觉地受坏影响。the insidious effects of polluted water supplies供水系统污染的潜在恶果The changes are insidious, and will not produce a noticeab...
Seven million doses of vaccine are annually given to British children.英国孩子每年要接种7百万剂疫苗。Roll on the day someone develops an effective vaccine against malaria.盼望有一天有人会研制出一种能有效预防疟疾的疫苗。The monkeys had been immunized with a va...
Mr. James had had a scattering of very wealthy friends.詹姆斯先生已经结交了两三个豪门朋友。He began by scattering seed and putting in plants.他从播种和栽苗开始。The farmers are scattering seed.农夫们在播种....