Serlin
[人名] 塞林
??? 情景例句
You're right.
你說的對。
Out of sitght, out of mind.
眼不見，心不想。
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，從月球到地球的25萬英里所消耗的能量要比從地球表面進入地球軌道的200英里所耗能量少97%。