Perhydrocyclopentanophenanthrene
环戊烷多氢菲
🗣️ 情景例句
Thanks for everything, if you ever need a favor in return, just let me know.
感谢你所做的一切，如果你需要我帮忙的话，尽管开口吧。
Sorry to keep you waiting.
抱歉让你久等了。
Thanks, I'd like that.
谢谢，我非常乐意。