英语词汇sima怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	sima
释义	si·ma AHD[sīʹmə] D.J.[ˈsaɪmə]K.K.[ˈsaɪmə]n.（名词） The lower layer of the earth's outer crust that underlies the sial and is rich in silica, iron, and magnesium.硅镁层：地球外壳的较低层，在硅铅层之下，富含硅、铁和镁 Etymology语源 si(lica) si(lica) ma(gnesium) ma(gnesium)
随便看	Union County College Uniondale unionise unionism unionisms unionist unionists unionize unionized unionizes unionizing union jack union label Union of Soviet Socialist Republics unions union shop union suit Union University Union University uniparous unipersonal uniplanar unipolar unipotent unique

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