Lddc
abbr. 发展中国家中的最不发达国家（least developed among developing countries）；伦敦码头区开发有限公司（The London Docklands Development Corporation）
🗣️ 情景例句
and we're trying to resolve that problem.
试图解决这类问题。
I buy some food on my way home.
我回家路上买些吃的。
But that was not all.
它一再重复这些圆圈。