train oil
Oil obtained from the blubber of marine mammals, especially whale oil.
Relating to ileocolonoscopy.
(grammar) a word (such as because) that expresses a reason or a cause
Of or pertaining to chemiosmosis.
19世紀の船乗りたちはランタンに火を灯し、機械の潤滑にも鯨油を使っていた。
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