你环顾四周，到处都是相貌不同的人，每一个人都用你的名字称呼你。

Because you look around and there are people who look different.

youdao

例如，我们四周到处都是无线电波，但如果没有无线电接收器，我们就不能探测到或感觉到它的存在。

For example, radio waves are all around us but we can't detect them, sense them, without a radio receiver.

youdao

四周到处是别致的小镇、村庄和房子，里面许多房屋很大。

All around we find nice little towns, village and houses, and among them many of good size.

youdao