Fratol
氟乙酸钠
🗣️ 情景例句
What number do I dial?
我应该拨哪个号码呢？
Until the end of the week.
借到周末。
When a light passenger plane flew off course some time ago, it crashed in the mountains and its pilot was killed.
不久前，一架轻型客机偏离了航线，在山区坠毁，飞行员丧生。