Perhydrocyclopentanophenanthrene
环戊烷多氢菲
🗣️ 情景例句
You say that many big companies act unscrupulously, but can you give me one example?
你说许多大公司不择手段，你能举个例子吗？
I'll keep my ears open.
我会留意的。
Did you have a good journey?
你旅途愉快吗？