Jud
n. 石面截槽\\nn. (Jud)人名；(德、捷)尤德
🗣️ 情景例句
I have an autographed one in my office.
在我办公室里有一本签了名的。
Nice to meet you, too.
认识你我也很高兴。
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%。