Unobtanium
n. 电影《阿凡达》中一种罕见的常温超导体，拥有奇特的磁场
🗣️ 情景例句
My mother has a touch of the flu.
我妈得流感了。
He is having a nightmare.
他在做着噩梦。
Tony worked in a lawyer's office years ago, but he is now working at a bank.
托尼曾在一家律师事务所工作，而现在正在一家银行上班。