Methylcyclopentenophenanthrene
[化] 甲基环戊烯并菲
🗣️ 情景例句
May I pay in cash?
可以付现金吗？
Help yourself.
请便！
To protect themselves from the icy water, they had to wear special rubber suits.
湖水冰冷刺骨，他们必须穿上一种特制的橡皮服以保护自己。