Coggea
用榫头连接
🗣️ 情景例句
Malcolm, please.
请叫我Malcolm吧。
Why did you get home so late?
为什么你这么晚回家？
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%。