“元凶”造句
氧化胆固醇可能是造成动脉堵塞的
元凶。
Oxidized cholesterol may be responsible for furring up the arteries.
警方还未能查明谁是这些造假案的
元凶。
Police have not been able to find out who was responsible for the forgeries.
抽菸是造成口臭的著名
元凶.
Tobacco smoking is a notable enemy of fresh breath.