🗣️ 情景例句
Good-bye. And hope to see you soon.
再见。希望很快再见到你们。
Proverbs are the cream of a nation's thought.
谚语是一国的思想精华。
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%。