Retrorocket
n. 制动[减速]火箭系统
🗣️ 情景例句
That's it.
是的。
What? Already? Won't you have more coffee?
怎么，已经要走了？要不要再喝点咖啡？
The prisoner felt sorry for him, but there was nothing else he could do.
战俘为他感到惋惜，但却没有别的选择。