ballotini

路标玻璃球

释义与例句

n.
  1. 1.

    small beads (usually of glass, typically of 1-4mm diameter)

    不可数

    The 40cm fractionating column was packed with 3mm ballotini.

  2. 2.

    glass microspheres (used in reflective materials, typically < 100μm diameter)

    不可数
  3. 1.

    A style of glass with a helical pattern, made by caneworking.

    不可数

词源

From Italian ballotini plural of ballotino.

来源：wiktionary