Selection operation
[计] 选取操作
🧩 词语组成解析
🗣️ 情景例句
For goodness' sake, Pete, tell us!
天啊， Pete， 快告诉我们
Who wrote that song?
那支歌曲谁写的？
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%。