Swingletree
n. 马车前端的横木
✅ 同义词
🗣️ 情景例句
Hi, Marilyn. I hope it's not too late.
你好， Marilyn， 我希望我来得不算太晚。
They are never alone accompanied by noble thoughts.
思想高尚者决不会孤单。
a wave length (the horizontal distance between two wave crests),
波长（两个浪峰间的水平距离）