Koval
科瓦尔铝合金
🗣️ 情景例句
I sure do. It was fun.
当然。当时真有意思。
Yes, we have been interested in new system.
是的，我们对新系统很感兴趣。
I received an invitation, but I did not accept it.
我收到-份请帖，但没有接受。