Stilgar stood at one side motioning them into a low hole that opened at right angles.

Stilgar站在一边，示意他们进入一个直角开口的低洞。

The larger Megalodon used a side to side motion to propel its massive body forward, but its tremendous size limited its speed to 15 miles per hour.

较大的巨齿鲨用向两侧的摆动推动其巨大的身体向前游动，不过它庞大身躯将其速度限制在每小时15英里。