Fluorated
氟酸盐\\n氟化
🗣️ 情景例句
How is your tennis coming along?
你的网球打得怎么样？
A proper amount of exercise contributes to good health.
适度的运动有益于健康。
She was a lively young woman with patience and imagination.
她是一个活泼的女子，具有耐心和想象力。