Presidon
[医] 二乙吡啶二酮, 3,3-二乙基-2,4-二氧四氢吡啶
🗣️ 情景例句
I have good news and bad news, which do you want to hear first?
我有好消息和坏消息，你想先听哪个？
Every family has problems.
家家有本难念的经。
But people are often reproached for unpunctuality when their only fault is cutting things fine.
但有些人不准时常常因为掐钟点所致，