Lineae nigra
[医] 黑线
🧩 词语组成解析
[医] 线
[医] 黑质
🗣️ 情景例句
References?
备询人？
Although it rains, throw not away your watering pot.
纵然天下雨，休把水壶丢。
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%。