Petn
[医] 四硝酸戊赤藓醇[酯], 四硝酸戊四醇[酯], 长效硝酸甘油
🗣️ 情景例句
All I do is study and take exams.
我要接受所有的学习和考试。
Save while you may, no morning sun lasts a whole day.
能节俭时就节俭，朝阳难照一整天。
She is a workaholic. She always regards work as the most important thing in the world.
她是个工作狂。她觉得工作是世上最重要的事。