Reaction propulsion
反作用力推进
🧩 词语组成解析
🗣️ 情景例句
Oh, and Grandpa's baseball glove.
噢， 还有爷爷的棒球手套。
May I use your telephone?
我可以用你的电话吗？
Please! said the man from downstairs.
“劳驾！”楼下人说。