Bixylidene
联二甲苯胺, 2,2',6,6'-四甲基联苯胺
🗣️ 情景例句
I'm having some trouble keeping food down.
我吃东西时感到困难。
You only live once.
人生只有一次。
The man was ordered to pay $3,500 for the cost of the trip.
此人被责令交付旅费3，500英镑，