Loop



GRE TOEFL 考研

解释

GRE 红宝书

• n. 圈, 金属线圈
• ［例］ wind the garden hose in loops ( 把浇水软管绕成圈)

Webster Collegiate

I. noun

• Etymology: Middle English loupe; perhaps akin to Middle Dutch lupen to watch, peer
• Date: 14th century
• archaic loophole 1a

II. noun

• Etymology: Middle English loupe, of unknown origin
• Date: 14th century
• 1.
  • a. a curving or doubling of a line so as to form a closed or partly open curve within itself through which another line can be passed or into which a hook may be hooked
  • b. such a fold of cord or ribbon serving as an ornament
• 2.
  • a. something shaped like or suggestive of a loop
  • b. a circular airplane maneuver executed in the vertical plane
• 3. a ring or curved piece used to form a fastening, handle, or catch
• 4. a closed electric circuit
• 5.
  • a. a piece of film or magnetic tape whose ends are spliced together so as to project or play back the same material continuously
  • b. a continuously repeated segment of music, dialogue, or images <a drum loop>
• 6. a series of instructions (as for a computer) that is repeated until a terminating condition is reached
• 7. a sports league
• 8. a select well-informed inner circle that is influential in decision making <out of the policy loop>

III. verb

• Date: 1832
• intransitive verb
  • 1. to make or form a loop
  • 2. to execute a loop in an airplane
  • 3. to move in loops or in an arc
• transitive verb
  • 1.
    • a. to make a loop in, on, or about
    • b. to fasten with a loop
  • 2. to join (two courses of loops) in knitting
  • 3. to connect (electric conductors) so as to complete a loop
  • 4. to cause to move in an arc

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