Rarefication
n. 变稀薄, 稀薄
🗣️ 情景例句
Yeah, it's been a long time.
是啊，好久没见面了。
The first element of success is the determination to succeed.
成功的首要因素是要有成功的决心。
A great many former pupils will be attending a farewell dinner in his honour next Thursday.
很多老同学都准备参加下星期四为他举行的告别宴会。