Diazete
二氮杂环丁二烯
🗣️ 情景例句
I'm heading off for bed
我先去睡觉了
Sorry. Was I disturbing you?
对不起，我刚才打扰你了吗？
Two years later, her father disappeared, never to be heard from again.
两年后，她父亲失踪了，从此再无音讯。