Reaction propulsion
反作用力推进
🧩 词语组成解析
🗣️ 情景例句
especially when he's a baby.
特别是当他还是个婴儿的时候。
His controversial speech caused a wild discussion.
他们有争议的讲话引起了一场广泛的讨论。
But we won't have our big family get-together until Christmas.
但我们要等到圣诞节才会有家庭大团圆。