Chlorolignin
氯化木素
🗣️ 情景例句
Your mother is thinking of
你妈妈正考虑
No cross, no crown.
无苦即无乐。
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，