Propionic
[医]丙酸的
🗣️ 情景例句
Sorry, I'm afraid I'm busy tonight.
很抱歉，恐怕我今晚没空。
The physician said smoking is harmful to my health.
医生说了吸烟对我的健康有害。
Look at those people in the boats.
瞧船里的那些人！