area

There is a small children's play area located at the back of the community park.

(Chinese) 社区公园后面有一个小型的儿童游乐区。

The police blocked off the entire area while they searched for evidence at the scene.

(Chinese) 警察在现场寻找证据时封锁了整个区域。

Artificial intelligence is a rapidly growing area of modern scientific research.

(Chinese) 人工智能是现代科学研究中一个快速增长的领域。

I can help with the marketing plan, but international finance is not my area of expertise.

(Chinese) 我可以帮着做营销计划，但国际金融不是我的专长领域。

If the length of a room is 5 meters and the width is 4 meters, the area is 20 square meters.

(Chinese) 如果房间的长是 5 米，宽是 4 米，面积就是 20 平方米。

We need to calculate the surface area of the walls before we buy the blue paint.

(Chinese) 我们在买蓝色油漆之前需要计算一下墙壁的表面积。