英语词汇必要物是什么意思，必要物的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	必要物
释义	DEFINITIVE EXAMPLES 权威例句〔digestive gland〕A gland, such as the liver or pancreas, that secretes into the alimentary canal substances necessary for digestion.消化腺：一种腺，例如肝或胰腺，能分泌消化的必要物质进入消化道美国传统
随便看	international transit international transport international treaty international treaty international treaty international treaty international trusteeship system international unified regulation international uniform legal regime international union for the protection of industrial property international union for the publication of customs tariffs international union of geodesy and geophysics International Union of Pure and Applied Chemistry International Union of Pure and Applied Chemistry(IUPAC) International Union of Pure and Applied Physics International Union of Pure and Applied Physics(IUPAP) International Union of Railways International Union of Students international unit international unit of estrogenic activity international unit of gonadotrophic activity international unit of male hormone international unit of thyrotrophin international units international usage

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