| 单词 | bitumen |
| 释义 | bitumen —bituminoid /buy tooh"meuh noyd', -tyooh"-, bi-/, adj. /buy tooh"meuhn, -tyooh"-, bi-, bich"oo-/, n. 1. any of various natural substances, as asphalt, maltha, or gilsonite, consisting mainly of hydrocarbons. 2. (formerly) an asphalt of Asia Minor used as cement and mortar. [1425-75; late ME bithumen < L bitumen] |
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