the world around us 这是什么句式?是定语从句吗?为什么不加that或者which?

we will let the world around us T__ to different countries helps us learn more about the world around us around the world 歌词 all around the world the world around all around the world take us around the The teacher told us to write----article about pollution around the world .A.aB.anC.theD./ People around the world will leave us two person I'll love you什么意思 let us look at the snacks from around the world=let us ( )a look at the snacks from ( )( )the world. Our senses tell us what is going on in the world around us.我要翻译!今天下午就要!1 Trip Around The World 歌词 翻译：TRAVEL AROUND THE WORLD travel around the world等于? 翻译“homes around the world” JUMP Around The World!歌词 用around the world造句 BEAN AROUND THE WORLD怎么样