| 单词 | pole |
| 释义 | pole 1. n. & v. --n 1. a long slender rounded piece of wood or metal, esp. with the end placed in the ground as a support etc. 2. a wooden shaft fitted to the front of a vehicle and attached to the yokes or collars of the draught animals. 3. = PERCH(1). --vtr. 1. provide with poles. 2. (usu. foll. by off) push off (a punt etc.) with a pole. Phrases and idioms pole position the most favourable position at the start of a motor race (orig. next to the inside boundary-fence). pole-vault (or -jump) n. the athletic sport of vaulting over a high bar with the aid of a long flexible pole held in the hands and giving extra spring. --vintr. take part in this sport. pole-vaulter a person who pole-vaults. under bare poles Naut. with no sail set. up the pole sl. 1. crazy, eccentric. 2. in difficulty. Etymology: OE pal ult. f. L palus stake 2. n. 1. (in full north pole, south pole) a each of the two points in the celestial sphere about which the stars appear to revolve. b each of the extremities of the axis of rotation of the earth or another body. c see magnetic pole. Usage The spelling is North Pole and South Pole when used as geographical designations. 2. each of the two opposite points on the surface of a magnet at which magnetic forces are strongest. 3. each of two terminals (positive and negative) of an electric cell or battery etc. 4. each of two opposed principles or ideas. 5. Geom. each of two points in which the axis of a circle cuts the surface of a sphere. 6. a fixed point to which others are referred. 7. Biol. an extremity of the main axis of any spherical or oval organ. Phrases and idioms be poles apart differ greatly, esp. in nature or opinion. Derivatives poleward adj. polewards adj. & adv. Etymology: ME f. L polus f. Gk polos pivot, axis, sky |
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