Spaceflight
n. 外层空间飞行
🗣️ 情景例句
Guess what I just found out.
你猜我刚知道了什么？
Congratulations on your winning the prize.
我恭喜你得奖了。
do in fact run out of energy in accordance with the second law of thermodynamics (whether the whole universe does so is a moot point at present).
也都会消耗完其能量（整个宇宙是否如此，目前尚有争论）。