Nsfnet
[计] NSFNET网络
🗣️ 情景例句
Right here.
就在这 。
This has been a very confusing time in my life.
现在，是我的人生中最混乱茫然的时期。
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%。