I hung there, scrabbling with my feet to find a foothold.我吊在那儿，两脚乱蹬着寻找落脚点。The company is eager to gain a foothold in Europe.这家公司急于在欧洲取得一席之地。That is a secure foothold.那是一可靠的落脚点....
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...
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...