Tetradactyl
a. 四趾的
🗣️ 情景例句
Good morning. My name is Richard Stewart.
早安。我叫Richard Stewart。
I mean it.
我不是开玩笑的。
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%。