Musculi semispinalis capitis
[医] 头半棘肌
🧩 词语组成解析
[医] 肌
半棘肌
[法] 人格
🗣️ 情景例句
but I have work to do.
但我有工作要做。
What are you thinking of?
你正在想什么？
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%。