Difluorinated
二氟化的
🗣️ 情景例句
I've been working like a madman all day.
我今天一整天都像个疯子一样工作。
What did you talk about?
你们谈论了什么？
His answer was to lift the vessel out of the water by making it ride on a cushion of air,
他的解决办法是把船体提离水面，让船在一个气垫上行驶，