Bdda
abbr. n-苄基双十二烷基胺（n-benzyldidodecylamine n-）
🗣️ 情景例句
Front... knees up, knees up.
前踢， 膝盖抬高。
Have you washed any cars?
你洗车吗？
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%。