Perhydrocyclopentanophenanthrene
环戊烷多氢菲
🗣️ 情景例句
What kind of game devices do you have?
你们有什么样的游戏操纵系统？
There's no need!
多此一举！
There is only one difference between an old man and a young one:
老年人和年轻人之间仅仅有一个不同：