Ephron
[人名] 埃夫龙
🗣️ 情景例句
We've got a lot to talk about.
我们有很多可商量的了。
I will come right now.
我会马上回来。
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%。