Phendioxin
[化] 苯并-1,4-二氧六环
🗣️ 情景例句
Oh, congratulations! That's nice.
啊， 恭喜你们！ 太好了。
The watch is out of order.
这手表出毛病了。
Were there any telephone messages for me while I was away?
我外出期间有我的电话吗？