driverless

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. Without a driver. not-comparable
    — a driverless vehicle

词源

Etymology tree
English driver
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 driverless
From driver + -less.
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