| 释义 |
DEFINITIVE EXAMPLES 权威例句〔gas chromatograph〕An instrument used in gas chromatography to separate a sample of a volatile substance into its components.色彩计：用于色谱法中的一种器械，把具有挥发性的物质分解为它的各个组成部分美国传统〔spirit〕Often spirits (used with a sing. verb)An alcohol solution of an essential or volatile substance. 常作 spirits （与单数动词连用）烈酒，醇酒：含香精物质或易挥发物质的酒精溶液美国传统〔volatile〕Petrol is a volatile substance.汽油是挥发性物质。牛津高阶Petrol is a volatile substance.汽油是一种易挥发物质。牛津商务 |