Acetoxyacetic acid
[化] 乙酸基乙酸
🧩 词语组成解析
🗣️ 情景例句
And you won't be able to speak for a while.
有一段时间 你们没有办法讲话。
I bought 3 pounds of flour.
我买了三磅面粉。
it requires 97 per cent less energy to travel the quarter of a million miles from the Moon to Earth-orbit than the 200 mile-journey from Earth's surface into orbit!
因此，从月球到地球的25万英里所消耗的能量要比从地球表面进入地球轨道的200英里所耗能量少97%。