Brandreth
n. 铁三脚架, 井栏
🗣️ 情景例句
There's a shortcut--if you know it.
假如你识路的话, 有一条近路可走。
Stop pretending.
别装了。
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%。