Clinoclasite
光線石
??? 情景例句
Would you like to stay for dinner?
可以留下來吃飯嗎？
You have to be operated on.
你得做手術(shù)。
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(jìn)入地球軌道的200英里所耗能量少97%。