Peracidite
过酸性岩
🗣️ 情景例句
I'm busy packing for the journey.
我为外出旅行，正忙着打点行李。
Don't blow it.
别搞砸了！
Fortunately, a pilot saw the signal and sent a message by radio to the nearest town.
幸运得很，一位飞行员看到这个信号，用无线电给最近的城镇发了报。