Despite the geographic separation of the families, the method of quadrupedal walking is similar: legs and arms held fairly straight, and bottom in the air.
尽管这些家庭分布在不同的地域，但是用四肢行走的方式极为相似：两腿和两臂支撑很直，而末梢均朝向空中。
Despite the geographic separation of the families, the method of quadrupedal walking is similar: legs and arms held fairly straight, and bottom in the air.
尽管这些家庭分布在不同的地域，但是用四肢行走的方式极为相似：两腿和两臂支撑很直，而末梢均朝向空中。
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