Polyspast
滑车组, 复滑车
🔁 扩展释义
【化】 复式滑车; 滑车组
🗣️ 情景例句
It's a beautiful day, isn't it?
今天天气真美，是吧？
He who has health, has hope, and he who has hope, everything.
身体好就有希望，有希望就有一切。
Choose any subject. Something about England, for example.
你可以选任何题日。例如，你可以谈谈英国的情况。