Dipyrazolone
二吡唑酮
🗣️ 情景例句
and he doesn't know anything
而他毫无所知
Do you like going to see painting exhibition?
你喜欢参观画展？
Yes, there is. Walk along this road, and take the fourth turning on the left.
是的，有。沿这条道走，然后在第四个路口向左拐。