ferrule

基本解释

• n.（金属手杖等的）金属环；套圈

同根派生

英汉例句

用作名词 (n.)

• Those black rings on my ferrule are black nickel.
  金属箍上的黑圈是黑镍。
• A ferrule and eraser are crimped into place on each pencil.
  把金属环和橡皮头固定到每一根铅笔上。

英英字典

剑桥英英字典

• a band, usually made of metal, around something such as a stick or handle