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
Talking to the real-estate agent.
与房地产仲介商谈。
Skill and confidence are an unconquered army.
技能和信心是不可克服的军队。
Dickie left the shop without a word and returned carrying a large cloth bag.
迪基二话没说就走了。一会儿，他带着一个大布口袋回到店里。