Developed area
[机] 展开面积
🧩 词语组成解析
a. 发达的（国家或地区）；成熟的
area
['ɛrɪə]
n. 地区;区域，范围;面积，平地;领域;
🗣️ 情景例句
When will you be through with your homework?
你的家庭作业什么时候可以做完？
Day and night.
没日没夜。
It's a very old castle. It is the oldest one in Britain.
这个城堡很古老，它是英国最老的了。