fault-free

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. Without any faults being evident. not-comparable
    — Hull Trains Managing Director Louise Cheeseman explained: "On arrival in the UK, they are required to pass fault-free running on the tracks as part of final safety checks, before undergoing the final stages of training and familiarisation with our staff."

词源

From fault + -free.
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