Swingletree
n. 马车前端的横木
✅ 同义词
🗣️ 情景例句
If you want my advice, I don't think you should go.
如果你想听我的建议，我认为你不应该去。
Why didn't you come?
为什么你不来？
who rolled balls down inclined planes,
他就是那个使球体沿斜面向下滚动，