必须对这些鸟称重，辨识雌雄并挂上标牌。The birds must be weighed, sexed and tagged.你怎样辨别一条鱼的雌雄？How can you tell what sex a fish is?鸟的雌雄通常可就其颜色予以区分.Coloring differentiates the sexes in many birds....
Rodents carry diseases and are generally regarded as pests.啮齿目动物传播疾病,常被当作害虫对待.The plains of North America are colonized by rodents.北美大平原生长着许多啮齿动物.Humans who winter over live like rodents in burrow - like stations . Outsi...
牛的口蹄疫能被无细菌的滤液传播.Food - and - mouth disease of cattle could be transmitted by bacteria - free filtrates.口蹄 疫 已传播到爱尔兰 、 法国、荷兰, 可能还有德国.Foot - and - mouth disease has already spread to Ireland, France and the Netherlands, an...
设立法律关系的意愿:合同具有法律上的执行力, 不同于纯粹的无偿赠与的允诺.Intention to create legal relations - since a contract is legally enforceable, unlike mere gratuitous promises.赠与的做出必须考虑到赠与人目前的疾病和危险状况.The gift must be made a view to the donor's...
这是我吃过的最让人反胃的东西。It was the most revolting thing I have ever tasted.腐烂食物散发的臭味让人反胃。The stench from rotting food is stomach-churning.这味道使我反胃,我不想吃东西了.The smell put me off my food....