On the doorstep he felt in his hip pocket for the latchkey.他站在门口的台阶上,摸了摸后裤兜,找大门钥匙.Someone was opening the front door with a latchkey.有人在用门锁钥匙开前门.At nine o'clock I heard my uncle's latchkey in the hall door.九点钟时...
地球外存在生命的理论是基于陨星上存在碳化合物质这一事实的.One theory about the existence of extraterrestrial life rests on the presence of carbon compounds in meteorites.据说这枚陨星是在热分解的化学过程中形成的。It is said that the magnetite was formed by a chemical pro...
原始的碳纤维材料很像布料。In its untreated state the carbon fibre material is rather like cloth.我曾在世界上最荒凉、最原始的地区工作过。I have worked in the wildest and most uncivilized parts of the world.那个部落处于比邻近部落更原始的发展阶段.The tribe's development...