Polyspast
滑车组, 复滑车
🔁 扩展释义
【化】 复式滑车; 滑车组
🗣️ 情景例句
Absolutely right, Betty.
完全正确， Betty。
To climb stairs
爬楼梯
These days, it is differences in national regulations, far more than tariffs, that put sand in the wheels of trade between rich countries.
当前，是各国管理条例上的差异，而不是关税阻碍了发达国家之间的贸易。