Staddle
n. 承架, 基础, 根底
🗣️ 情景例句
I can see well both day and night.
我白天晚上都能看得很清楚。
If he doesn't take care of him, I will.
如果他不，我将照顾他。
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%。