Naphthindene
萘并环戊烯
🗣️ 情景例句
I appreciate your counter-offer, but find it too low.
谢谢你的还价，但我觉得太低了。
Do you mind if I turn off the light?
我把灯关了，好吗？
Don't say that before you look at the picture. Turn it on.
未看图像之前先别这样说。打开。