Developed length
[化] 展开长度
🧩 词语组成解析
a. 发达的（国家或地区）；成熟的
🗣️ 情景例句
Fine. Are you buying a house
好的。你们是要买房子呢？
Fear is often greater than the danger.
杞人忧天。
We invited them to our party but they decided not to come.
我们请了他们参加聚会，但他们决定不来。