Ultrapas
三聚氢胺(甲醛)树脂
🗣️ 情景例句
Never in my life have I seen such a mess!
我这辈子没见过这么乱的地方。
Theings present are judged by things past.
欲断今日事，须知往日情。
It was an important part of Native American's existence.
野牛是美洲土著人赖以生活的重要部分。