Katharometry
热导率测量术
🗣️ 情景例句
Enjoy it.
请享用。
I've brought a wonderful book you might like.
我带起来了你可能喜欢的好书。
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%。