Ichthyographer
n. 鱼类志撰写者
🗣️ 情景例句
Anything else?
还有其它的吗？
Please do not touch the wet paint.
油漆未干，请勿触摸。
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%。