毒蛙

poison fangs───毒牙

poisonous plant───[植]有毒植物

poisonous snake───毒蛇

poisonousness───n.毒性

poison fang───毒牙

poison trees───毒树

poisonous───adj.有毒的；恶毒的；讨厌的

Lift-off from a floating launchpad sends a pickerel frog high over a dragonfly . pickerel frogs exude a poisonous chemical from their skins protecting them from predators.───瞧，这好像叫“梭子蛙”，这么一蹦，高过了莲叶上那只蜻蜓。梭子蛙能从皮肤散发出一种有毒的化学物质，这是为了保护自己避免成为捕食者的盘中餐。

They warn predators that these frogs are poisonous.───这种颜色可以警告猎食者：“我是有毒的！”