Polyspast
滑车组, 复滑车
🔁 扩展释义
【化】 复式滑车; 滑车组
🗣️ 情景例句
Hello, who's speaking, please?
喂， 谁在讲话？
Deliberate before you begin, then execute with vigour.
著手前要深思熟虑，执行要果断有力。
How long have you lived there?
你在那里住多久了？