Picardy
n. 皮卡第（法国北部旧省）
✅ 同义词
🗣️ 情景例句
I've never been to the aquarium
我从来没有去过水族馆
The athletes competed for the honor of their country.
选手们为了国家的荣誉而互相竞赛。
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%。