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
That's load off my mind.
这一来我心里轻松了。
Nothing is impossible to willing mind (or heart).
有志者事竟成。
Can't you see? Look! It has an egg in it.
你没看见吗？瞧！里面有一只蛋。