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
rickettsioses
rickettsiosis
rickety
rickey
rickeys
ricking
Rickover
rickrack
rickracks
ricks
Ricks College
ricksha
rickshas
rickshaw
RICO
ricochet
ricochet
ricocheted
ricocheting
ricochets
ricochetted
ricochetting
ricotta
ricottas
ricrac
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更新时间:2026/6/8 17:13:08