trispast

三饼滑车

词形变化

trispasts 复数 trispasts

释义与例句

n.
  1. 1.

    A machine with three pulleys which act together to raise great weights.

词源

From Ancient Greek τρῐ́σπαστος (trĭ́spastos, “drawn threefold”).

来源：wiktionary