a reptile with a very long thin body and no legs. There are many types of snake , some of which are poisonous.
- 一种身体很长但没有腿的爬行动物（a reptile with a very long thin body and no legs.）
- 蛇有很多种（There are many types of snake）
- 有些是有毒的（some of which are poisonous.）
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