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
I could tell something was up by the look on their faces.
我一看他们的脸色就知道有事。
Saving is getting.
节约等于收入。
From this the captain was able to piece together all the information that had come to light.
据此，船长可以将所有的那些已经搞清的材料拼凑起来。