Sarcoptidosis
[医] 疥, 疥螨病
🗣️ 情景例句
Well, that sounds very exciting,
嗯 听起来很令人兴奋。
Excuse me to have kept you waiting.
对不起让你就等了。
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%。