| 单词 | loop |
| 释义 | loop loop1 /loohp/, n. 1. a portion of a cord, ribbon, etc., folded or doubled upon itself so as to leave an opening between the parts. 2. anything shaped more or less like a loop, as a line drawn on paper, a part of a letter, a part of a path, or a line of motion. 3. a curved piece or a ring of metal, wood, or the like, used for the insertion of something, as a handle, etc. 4. See intrauterine device. 5. Aeron. a maneuver executed by an airplane in such a manner that the airplane describes a closed curve in a vertical plane. 6. a circular area at the end of a trolley line, railroad line, etc., where cars turn around. 7. an arm of a cloverleaf where traffic may turn off or onto a main road or highway. 8. Physics. the part of a vibrating string, column of air or other medium, etc., between two adjacent nodes. 9. Elect. a closed electric or magnetic circuit. 10. Computers. the reiteration of a set of instructions in a routine or program. 11. a wire, usually of platinum, one end of which is curved to form a loop, used for transferring microorganisms from one medium to another. 12. a sand bar that encloses or nearly encloses a body of water. 13. Figure Skating. a school figure in which a skater traces a large half circle, a small oval within its arc, and another large half circle to complete the figure while remaining on the same skating edge. 14. the loop, a group or network of insiders or influential people; inner circle: to be out of the loop on policy decisions. 15. the Loop, the main business district of Chicago. 16. throw or knock for a loop, to astonish or upset: Her quitting the project really threw me for a loop. v.t. 17. to form into a loop. 18. to make a loop in. 19. to enfold or encircle in or with something arranged in a loop. 20. to fasten by forming into a loop, or by means of something formed into a loop (often fol. by up): to loop up the new draperies. 21. to cause (a missile or projectile) to trace a looping or looplike trajectory through the air: to loop a grenade into the building. 22. to fly (an airplane) in a loop or series of loops. 23. to construct a closed electric or magnetic circuit. 24. Motion Pictures. to complete by means of looping: We still have to loop the final scenes. v.i. 25. to make or form a loop: The river loops around the two counties. 26. to move by forming loops, as a measuringworm. 27. to trace a looping or looplike path through the air: The fly ball looped high in the air. 28. to perform a loop or series of loops in an airplane. 29. Motion Pictures. to record dialogue, sound effects, etc., onto an existing film track or soundtrack. [1350-1400; ME loupe loop of cloth, perh. < ScotGael lub loop, bend] loop2 /loohp/, n. Archaic. a small or narrow opening, as in a wall; loophole. [1300-50; ME loupe window; cf. MD lupen peep, peer] loop3 /loohp/, n. Metalworking. a hot bloom of pasty consistency, to be worked under a hammer or in rolls. [1665-75; < F loupe, special use of loupe wen, knob, gnarl << Gmc. See LOUPE] |
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