1 这是一个 人口众多 / 人口稀少 的国家
This is a heavily / sparsely populated country.
人口众多heavily populated 人口稀少sparsely populated
2 这是一个 面积很大 / 面积很小 的城市。
This is a city with a very large / small area.
3 这两个人中 / 这三个人中,他喜欢的是Alice
Between the two / Among the three, he likes Alice more.
两个中用 between,多过两个要用among
4 在所有女孩中,他最喜欢Alice.
Among all the girls, he likes Alice the most.
後补:
5 我们的营业时间 即将结束
It is almost the end of our trading hours (或opening times).
营业时间: trading hours 或 opening times
6 你们还有 多久下班 ?/ 多久上班 ?
How much longer before you will be off work / you have to go to work?
希望可以帮到你。
This is a country with a large population 人口众多
This is a country with a small population 人口稀少