[ U ] waste material produced when coal is dug from the ground, or a substance produced by mixing chemicals with metal that has been heated until it is liquid in order to remove unwanted substances from it矿渣;熔渣;炉渣
[ C ] UK slang offensive an insulting word for a woman who has had a lot of sexual partners荡妇
[ U ] Australian English informal for spit noun(FROM MOUTH) 唾沫;唾液(spit的非正式说法)
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