Pregnenedione
孕烯二酮
??? 情景例句
I've thought about that for some time.
我已經(jīng)想過(guò)一陣子了。
All work and no play makes Jack a dull boy.
只工作，不玩耍，聰明小孩也變傻。
She's next door.She's in her office, sir.
她在隔壁，在她的辦公室里，先生。