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单词
coalmine
释义
coalmine
(
ˈkəʊlˌmaɪn
)
noun
a system of excavations made for the extraction of coal
Seventeen workers were killed by the gas explosion in the coal mine.
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auxiliary note
auxiliary police
auxiliary power unit
auxiliary rotor
auxiliary verb
aux-in
auxin
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auxochrome
auxocyte
auxometer
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auxotrophic
auxotrophy
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av.
Av.
a.v.
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更新时间:2025/3/23 4:16:39