Cacothymia
[醫] 心情惡劣; 胸腺機能障礙
??? 情景例句
Hmm. I can't remember.
嗯， 我記不起來了。
I'd like to make an overseas call to Taibei, Taiwan by collect call.
我要打對方付費的電話到臺灣的臺北。
Twenty year!That's long time.
20年！這個時間可不短。