Kalistrontite
n. [矿]硫酸锶钾
🗣️ 情景例句
And the marketing of new toys and games.
还有新玩具和新游戏器具的行销。
Hawks will not pick hawks' eyes out.
同类不相残。
I am busy. How is your business？
我很忙。你的生意做得怎样？