Ammonia is a colorless gas with an offensive smell.
氨气是无色的有刺激性味道的气体.
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The room has an offensive smell. Why not open the window and air it?
房间的味道难闻死了, 干嘛不开窗透透气?
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The material throws off an offensive smell.
这种材料散发出一股臭味.
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An offensive smell greeted us.
臭气扑鼻.
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