请输入您要查询的英文单词:
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
lanthanide series
lanthanum
lanthanums
lanthorn
lanthorns
lanuginose
lanuginous
lanugo
lanugos
lanyard
lanyard
lanyards
Lanza
Lanzhou
Lanús
Lao
Laocoon
Laodicea
Laodicean
Laodiceans
Laomedon
Laos
Laos
Laotian
Laotians
英汉双解词典包含166908条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。
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更新时间:2026/4/28 20:37:10