Reflection density
[医] 反射密度
🧩 词语组成解析
🗣️ 情景例句
Have you studied any courses related to the post you are applying for?
你曾修读与这份工作有关的科目吗？
None of us girls are supposed to smoke.
我们女孩子都不该吸烟。
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%。