keyless

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. Lacking or not requiring a key. not-comparable
    — Today’s keyless models use a fob — the small remote control device that most modern cars use to lock and unlock doors — but it performs the additional duty of sending a signal to the ignition.

词源

Etymology tree
Proto-West Germanic *kaiju
Old English cǣġ
Middle English keye
English key
Proto-Indo-European *lewh₁-
Proto-Indo-European *lewHs-der.
Proto-Germanic *leusaną
Proto-Germanic *lausaz
Proto-Germanic *-lausaz
Proto-West Germanic *-laus
Old English -lēas
Middle English -les
English -less
English keyless
From key + -less.
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