🧩 词语组成解析
n. [天]南河三（小犬座α）
🗣️ 情景例句
I can go up to the lodge for some hot dogs and drinks.
我可以到那边小屋去弄些热狗和饮料来。
Thank you.
谢谢。
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%。