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单词 treadle
释义

WordReference Random House Learner's Dictionary of American English © 2024
trea•dle /ˈtrɛdəl/USA pronunciation   n., v., -dled, -dling. 
n. [countable]
  1. Mechanical Engineeringa lever pushed by a continuous action of the foot so as to give motion to a machine:operating the treadle on the sewing machine.

v. [no object]
  1. Mechanical Engineeringto work a treadle.

WordReference Random House Unabridged Dictionary of American English © 2024
trea•dle  (tred′l),USA pronunciation n., v., -dled, -dling. 
n. 
  1. a lever or the like worked by continual action of the foot to impart motion to a machine.
  2. a platform, as on a bus or trolleycar, for opening an exit door.

v.i. 
  1. to work a treadle.
  • bef. 1000; Middle English tredel stairstep, Old English. See tread, -le
tread•ler (tred′lər)USA pronunciation, n. 
Collins Concise English Dictionary © HarperCollins Publishers::
treadle /ˈtrɛdəl/ n
  1. a rocking lever operated by the foot to drive a machine
 vb
  1. to work (a machine) with a treadle
Etymology: Old English tredel, from trǣde something firm, from tredan to tread
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更新时间：2025/7/25 4:49:54