A mule is a cross between a female horse and a male donkey.骡是雌马和雄驴交配而生的杂种。The dog, an ungainly mongrel pup, was loping about the road.那只丑陋的杂种幼犬在马路上到处乱跑。That is a hybrid perpetual rose.那是一株杂种的四季开花的蔷薇。I wondered if the bastard was for real.我不知道那杂种会不会是冒牌的。