Dichogamous
a. [植]雌雄(蕊)异熟的
🗣️ 情景例句
That's a very interesting question.
这是个非常有趣的问题。
Great men's sons seldom do well.
大人物的子孙少出息。
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%。