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Rintola roamed the room helping each child grasp the concepts .

瑞德拉漫步在房间里，帮助每个孩子掌握这些概念。

People roamed on camels over vast , empty deserts .

有人骑着骆驼漫游在广袤空旷的沙漠。

Commanders wearing face masks roamed the streets , issuing orders through walkie-talkies .

指挥官们带着面具漫步街头，通过对讲机发出命令。

It roamed high in the andes in northern chile 18 million years ago .

一千八百万年前漫游在智利北部的安第斯山脉。

Many of these folks roamed the earth at the same time met traded goods possibly mated and ate each other .

这些家伙在同一时期漫游在地球上，相遇、交易物品，或者交配，甚至是吃掉对方。