Bixylidene
联二甲苯胺, 2,2',6,6'-四甲基联苯胺
🗣️ 情景例句
That's too bad. Bye.
太糟了。再见。
It's a shame this machine is so slow.
真遗憾，这台机器太慢了。
He is very happy to see his wife.
丈夫见到他妻子，很高兴。