adder

例句：

1. 1. The toads were hopping around in the grass.
   青蛙们在草地上跳来跳去。
2. 2. A salamander was seen swimming in the pond.
   一只蝾螈被发现在池塘里游泳。
3. 3. The frogs croaked loudly as the sun set.
   随着太阳落山，青蛙们呱呱叫个不停。