Unced
abbr. 联合国环境与发展会议（United Nations Conference on Environment and Development）
🗣️ 情景例句
Always got something to say.
总有话要说。
I can't believe it.
我不相信。
It was Sunday.I never get up early on Sundays.
那是个星期天，而在星期天我是从来不早起的，