Fluoroprotactinate
氟镤酸盐
🗣️ 情景例句
I know all the ins and outs of the business.
我重新夺得关于这件事所有的详情。
I often go to the office in the morning.
我常常在早上去办公室。
What time will the next train leave?
下一班火车什么时候开？