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
naphthols
Napier
Napierian logarithm
Napier's bones
Napier's rods
napiform
napkin
napkined
napkining
napkins
Naples
Napo
napoleon
Napoleon I
Napoleon II
Napoleon III
napoleons
Napoli
nappa
nappe
napped
nappes
nappie
nappier
nappies
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:2026/2/25 3:10:52