Dysmenorrhea
n. 痛经\\n[医] 痛经
🗣️ 情景例句
Your real education doesn't start until you get out into the real world.
直到你踏入现实社会，你才真正开始学习。
No one can call back yesterday;Yesterday will not be called again.
昨日不复来。
She hired a car by the hour.
她租了一辆按钟点计费的汽车。