Octo
[医]八，辛
🗣️ 情景例句
I'm glad I ran into you. Where have you been hiding lately?
我很高兴碰见你，你躲到哪里去了？
Pen and ink is wit's plough.
笔墨是才智之犁。
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%。