Fluorating
氟化
🗣️ 情景例句
She's doing fine, thank you.
她很好，谢谢你。
I'd like to make an appointment with Professor Smith. Would 9:00 tomorrow be all right?
我想和史密斯教授约个会面时间。明天9点行吗？
He and his staff began throwing furniture out of the window.
他与店员动手向窗外投掷