地下室
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地下室；地下工作者
plural of subterranean；s. being or operating under the surface of the earth；s. lying beyond what is openly revealed or avowed (especially being kept in the background or deliberately concealed)
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(subterranean 的复数) a. 地下的；秘密的；地下室；地下工作者
plural of subterranean；s. being or operating under the surface of the earth；s. lying beyond what is openly revealed or avowed (especially being kept in the background or deliberately concealed)
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