bissa

例句：

1. 1. The snake slithered out of the hole.
   蛇从洞里溜了出来。
2. 2. The snake was very dangerousto humans.
   蛇对人类非常危险。
3. 3. Snakesare found in many parts of the world.
   蛇分布在世界的许多地方。