剑桥词典a substance in the oil from some fish such as tuna and salmon and in some seeds , thought to be good for your health 奧米加三脂肪酸（金槍魚、鮭魚等魚類的油脂中含有的一種物質，也見於某些種子，據信有益於人躰健康） 返回 Omega-3