Unced
abbr. 联合国环境与发展会议（United Nations Conference on Environment and Development）
🗣️ 情景例句
When you see a new word, look it up.
当你看到一个新的字时就去查阅它。
A liar is not believed when he speaks the truth.
骗子说真话，也没人相信。
The 'Antoinette' floated on the water until Latham was picked up by a ship.
“安特瓦特”号飞机在海上漂浮，后来有船经过，莱瑟姆方才获救。