Astatide
砹化物
🗣️ 情景例句
Columbia? Why Columbia?
Columbia？为什么要去Columbia？
Those noisy children simply got on my last nerves.
那群孩子吵吵闹闹，简直搅得我心神不宁。
All the students are expert drivers, but before they drive any of the buses, they will have to pass a special test.
所有的学生都是开车的能手，但在驾驶公共汽车之前，他们必须通过一项专门测验。