Cyclononanone
环壬酮
🗣️ 情景例句
So, what do you think you're going to do?
那么你打算怎么办呢？
That fellow never pays his bills on time.
那个男人从没按时付过账。
He lands on top of each house and climbs down the chimney into the fireplace.
他降落在每一家的房顶，顺着烟囱爬进壁炉。