Butoxide
[机] 丁氧金属, 丁醇金属
🗣️ 情景例句
Tom is studying photography at NYU. Tom
正在NYU学摄影。
Did I hear you right?
我有没有听错？
when a significant number of people are living permanently in space.
如果有相当数量的人永久性地住在太空，