搜尋結果
coal mine
- IPA[ˈkōl ˌmīn]
美式
- an excavation in the earth for extracting coal.
noun: coal mine, plural noun: coal mines
- 相關詞
- an early indicator of potential danger or failure
Oxford American Dictionary
- an early indicator of potential danger or failure
Oxford Dictionary
- an early indicator of potential danger or failure
Oxford American Dictionary
- an early indicator of potential danger or failure
Oxford Dictionary
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