Chestnutting
n. 拾栗子
🗣️ 情景例句
Hi, Bob.
嗨，鲍勃。
Mac always has to run to catch his train.
麦克常常为了赶乘火车而奔跑。
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%。