lavador

词形变化

lavadors 复数 lavadors

释义与例句

n.
  1. 1.

    A machine used in mining placer deposits, which washes paydirt slurries pumped into the top of machine, extracting pebbled ores though its sluice runs into its riffles, grates and miner's moss, a type of washplant.

词源

Borrowed from Portuguese lavador (“washer”).

来源：wiktionary