Bergblau
碳酸铜矿
🗣️ 情景例句
Oh, working too hard.
噢 ，工作太累人了。
Meat is almost more precious than money!
肉贵得买不起了。
Some children can cover the whole length of the pool without coming up for breath even once.
有些孩子能够跑完游泳池的全长而不用露出水面换气。