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
Probably a lot of advertising and bills.
大概是一大堆广告和帐单。
Don't you have my hat?
你没拿我的帽子吧？
What colour is it?
什么颜色的？