单词 | loop |
释义 | loop n. & v. --n   1. a a figure produced by a curve, or a doubled thread etc., that crosses itself. b anything forming this figure.   2. a similarly shaped attachment or ornament formed of cord or thread etc. and fastened at the crossing.   3. a ring or curved piece of material as a handle etc.   4. a contraceptive coil.   5. (in full loop-line) a railway or telegraph line that diverges from a main line and joins it again.   6. a manoeuvre in which an aeroplane describes a vertical loop.   7. Skating a manoeuvre describing a curve that crosses itself, made on a single edge.   8. Electr. a complete circuit for a current.   9. an endless strip of tape or film allowing continuous repetition.   10. Computing a programmed sequence of instructions that is repeated until or while a particular condition is satisfied. --v   1. tr. form (thread etc.) into a loop or loops.   2. tr. enclose with or as with a loop.   3. tr. (often foll. by up, back, together) fasten or join with a loop or loops.   4. intr. a form a loop. b move in looplike patterns.   5. intr. (also loop the loop) Aeron. perform an aerobatic loop. Etymology: ME: orig. unkn. |
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