brushless

a. 无需用刷子的; 无刷

释义与例句

adj.
  1. 1.

    Not requiring the use of a brush.

    Of an electric motor: that does not use brushes, physical contacts for the commutator.

    a brushless motor

  2. 2.

    Not requiring the use of a brush.

    Not requiring the use of a hairbrush, scrubbing brush, or other brush.

    a brushless shaving cream

    a brushless finish on the concrete

词源

From brush + -less.

来源：wiktionary