Phthalodinitrile
苯二甲腈, 酞(二)腈
🗣️ 情景例句
You go first.
你先来。
After Flagstaff, we'll go to San Diego.
到佛拉格斯塔夫之后，我们去圣迭戈吧。
The clouds had come down so suddenly we had no warning.
乌云突然出现，我们丝毫没有觉察。