Methane and propane are alkanes.甲烷和丙烷是烷烃。Its main components include propane, butane and butylene.主要成份是丙烷 、 丁烷、丁烯等.a propane gas cylinder丙烷气钢瓶Fuel propane is scented with mercaptan odourants for leak detection.燃料丙烷通常添加硫醇...
Methods Entomological classification principle and method and biogeographic theory are used.方法采用昆虫分类学原理和方法与生物地理学理论.Methods: Using entomological classification principals and method.方法采用昆虫分类学原理与方法.Methods: Using entomolog...
They called him a traitor to his Afrikaner people.他们称他背叛了自己的族人南非白人。"Traitor!" she screamed. "Betrayer of England!"“叛徒！”她尖叫道。“英格兰的叛徒！”He was arraigned for criminally abetting a traitor.他因怂恿他人叛国而受到传讯。...
她虽说仇恨他们，但绝不至于去杀人。Her hatred of them would never lead her to murder.至于这场战争，黑格认为要不惜任何代价取得胜利。As regards the war, Haig believed in victory at any price.至于他的工作，他总是显得非常神秘，从不多说。As for his job — well, he was very mysterious abou...