Biominerals
n. [礦物] 生物礦物
??? 情景例句
An audio diary.
來一段錄音日記。
I remember the girl whose father owns a bakery.
我記得那個女孩的父親有一間面包店。
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%。