世界上的用法和样例：
例句
-
世界上有许多种宗教信仰。
There are many religions in the world. -
长江是世界上最长的河流之一。
The Changjiang River is one of the longest rivers in the world. -
中国文化是世界上最古老的文化之一。
Chinese civilization is one of the oldest in the world. -
公制在世界上大多数国家使用。
The metric-system is used in most countries over the world. -
他是世界上最富有的人。
He is the richest man in the world. -
我不知道他是世界上最有钱的人。
I didn't know he was the richest person in the world. -
伦敦是世界上最大的城市之一。
London is among the greatest cities of the world.
