Diboride
二硼化物
🗣️ 情景例句
Susan's vice-president in charge of new toys and games.
Susan是主管新玩具和新 戏器具的副总裁。
He that has a full purse never wants a friend.
只要袋里有，不愁没朋友。
How would you like to proceed with the negotiations?
你认为该怎样来进行这次谈判呢？