Cupraloy
铜铬银合金
🗣️ 情景例句
I'm most grateful to you for taking so much trouble to explain the best way of getting there.
你不厌其烦地给我解释去那里的最佳途径，我对些深表感激。
I told him to come in for a few minutes.
我告诉他进来等几分钟。
Excuse me, I must go.
请原谅，我得走啦。