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swallow hole的英文翻譯是什么意思,詞典釋義與在線(xiàn)翻譯:
英英釋義
Noun:
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a depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof
swallow hole的相關(guān)資料:
近反義詞
臨近單詞
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