英语词汇氦的读音、翻译及短语词组释义-英汉双解词典-求索网

单词	氦
释义	氦helium 【化】 helium 【医】 He helion helium 氦hài〈名〉化学元素名。一种极轻的无色惰性气态元素,是所有气体中最难液化的,存在于整个宇宙中,但只在某些天然气中含有在经济上值得提取的量,主要用于填充飞艇和气球 [helium]――元素符号He
随便看	preparation method preparation of artificial feeding preparation of cash distribution plan preparation of sample preparation of sand preparation of specimen preparation period preparation room preparative preparative chromatography preparative column preparative gas chromatograph preparative gas chromatography preparative liquid chromatograph preparative partition chromatography preparative plate number preparative scale chromatography preparative scale plate number preparator preparatory preparatory allocation preparatory committee preparatory cost preparatory crime preparatory function

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