Universaltest
萬能測試儀
??? 情景例句
My parents will think it's a good idea.
我的父母會覺得這是件好事。
Yes,I do.
是的，我有。
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，從月球到地球的25萬英里所消耗的能量要比從地球表面進入地球軌道的200英里所耗能量少97%。