Elytrotomy
[医] 阴道切开术
🗣️ 情景例句
What did you learn at school today?
你今天在学校学了什么？
Do you like football?
你喜欢足球吗？
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%。