Perfluoroallene
[化] 全氟丙二烯
🗣️ 情景例句
You've been a great asset to our department.
你曾是我们部门的栋梁之材。
One who can do everything can do nothing.
什么都能做，什么都不行。
Anything particular you're interested in?
有什么你特别感兴趣的吗？