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
He is quick-witted.
他反应灵敏。
I will see her home.
我会送她回家。
A great many goods were sent to the exhibition from various parts of the world.
大量的商品从世界各地运送到了博览会，