🧩 词语组成解析
山核桃
🗣️ 情景例句
My vacation was too short, I needed more time.
假期太短了，再有几天就好了。
Do you work near the university?
你在大学附近工作吗？
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%。