Tracksuits
n. （供训练时穿的）保暖宽松的长袖运动衣裤, 田径服( tracksuit的复数形式 )
🗣️ 情景例句
That's good, I thought I was late.
太好了，我还以为我来迟了呢。
You don't have any strong feelings about it?
关于这件事，你没有什么意见吗？
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%。