Tetrazone
四氮腙, 偶二氮化合物
🗣️ 情景例句
Do you have any assurance for its quality?
你们有任何品质保证吗？
Reckless youth makes rueful age.
虚度青春，悔恨无已。
'I'm going to Woodford Green,' I said to the conductor as I got on the bus, 'but I don't know where it is.'
“我要去伍德福德草地，”我一上车就对售票员说，“但我不知道它在那儿。”