Diazol
重氮盐
🗣️ 情景例句
What about the rings?
戒指怎么办？
How much flour did you want to use?
你要用多少面粉？
The aircraft was able to fly over the endless white plains without difficulty.
飞机可以毫无困难地飞过这片茫茫无际的白色原野！