評論
打印
World
世界
When we say the world, we mean the planet Earth.
當(dāng)我們說世界一詞時，其實(shí)指的是行星地球。
The world is more than 4.5 billion years old, so it has a long history.
地球已超過45億歲了，所以它有著漫長的歷史。
It is a place for people to live.
地球是人們定居的地方。
It is a place for animals and plants to live.
地球是動植物生存的地方。
Do you know how many people live in the world?
你知道世界上有多少人嗎？
The number of people in the world is 6.7 billion.
世界上的人口數(shù)量是67億。
