Nitrocarbonitrate
硝基碳酸硝酸復合物
??? 情景例句
Well, I guess. He does look a lot like Richard,
嗯 ，有點像。他確實很像Richard。
How long have you been studying English?
你學了多長時間的英語了？
it takes much less energy to accelerate to that 1.5 miles per second than it does on Earth.
在月球上加速到每秒1。5英里比在地球上所用能源要少得多。