catback

释义与例句

n.
  1. 1.

    The totality of components which exhaust gases flow through after exiting a vehicle's catalytic converter.

    不可数
  2. 2.

    The back of a cat (for riding upon).

    不可数

词源

From cat + back, sense 2 (the back of a cat, for riding upon) is modelled on horseback.

来源：wiktionary