Difficult menstruation
[医] 月经困难
🧩 词语组成解析
n. 月经, 月经期间\\n[医] 月经, 行经
🗣️ 情景例句
If you don't go to college, you'll never get a good job.
你要是不上大学，就永远找不到好工作。
The chemist is testing enzymes.
化学家在试验着酶。
In the light of this statement, teachers live by selling knowledge,
根据这种说法，教师靠卖知识为生，哲学家靠卖智慧为生，