Baoding ball

短语

词形变化

Baoding balls 复数 Baoding balls

释义与例句

n.
  1. 1.

    A metal ball held and rotated within the hand to improve manual strength or dexterity or to relax the hand.

词源

Partial calque of Mandarin 保定鐵球 /保定铁球.

来源：wiktionary