Polyspast
滑车组, 复滑车
🔁 扩展释义
【化】 复式滑车; 滑车组
🗣️ 情景例句
Would you like to call home?
你想跟家里通个电话吗？
There are three apples on the plate.
盘子上面有三个苹果。
She has been helping her husband for thirty years now.
她已经帮了她的丈夫30年了。