英语词典

overreact[ ,əuvəri\'ækt ]

• v.show an exaggerated response to something

  \"Don\'t overreact to the bad news--take it easy\"

overshoot[ ,əuvə\'ʃu:t, \'əuvəʃu:t ]

• n.an approach that fails and gives way to another attempt

  同义词：wave-offgo-around

• v.
  • shoot beyond or over (a target)
  • aim too high

    \"The plan overshoots its aim\"

overshoot[ \'əuvə\'ʃu:tiŋ ]

• n.an approach that fails and gives way to another attempt

  同义词：wave-offgo-around

• v.
  • shoot beyond or over (a target)
  • aim too high

    \"The plan overshoots its aim\"

oversight[ \'əuvəsait ]

• n.
  • an unintentional omission resulting from failure to notice something

    同义词：inadvertence

  • management by overseeing the performance or operation of a person or group

    同义词：supervisionsupervisingsuperintendence

  • a mistake resulting from inattention

    同义词：lapse

overspend[ ,əuvə\'spend, \'əuvəspend ]

• v.
  • spend more than available of (a budget)
  • spend at a high rate

Overtrick

• Overtrick was a champion U.S.

以上来源于:Wikipedia

overview[ \'əuvəvju: ]

• n.a general summary of a subject

  \"the treasurer gave a brief overview of the financial consequences\"

overuse[ ,əuvə\'ju:z, \'əuvə\'ju:s ]

• n.exploitation to the point of diminishing returns

  同义词：overexploitationoverutilizationoverutilisation

• v.make use of too often or too extensively

  同义词：overdrive

overwhelm

• v.
  • overcome, as with emotions or perceptual stimuli

    同义词：overpowersweep overwhelmovercomeovertake

  • charge someone with too many tasks

    同义词：delugeflood out

  • cover completely or make imperceptible

    同义词：submergedrown

  • overcome by superior force

    同义词：overpowerovermaster

Ovid[ \'ɔvid ]

• n.Roman poet remembered for his elegiac verses on love (43 BC - AD 17)

  同义词：Publius Ovidius Naso

oviduct[ \'əuvidʌkt, \'ɔ- ]

• n.either of a pair of tubes conducting the egg from the ovary to the uterus

  同义词：Fallopian tubeuterine tube

Oviparity

• Oviparous animals are animals that lay eggs, with little or no other embryonic development within the mother. This is the reproductive method of most fish, amphibians, reptiles, all birds, the monotremes, and most insects, some molluscs and arachnids.

以上来源于:Wikipedia

owl[ \'auliŋ ]

• n.nocturnal bird of prey with hawk-like beak and claws and large head with front-facing eyes

  同义词：bird of Minervabird of nighthooter

oxime[ \'ɔksi:m, -sim ]

• n.any compound containing the group -C=NOH

oystercatcher[ \'ɔistə,kætʃə ]

• n.black-and-white shorebird with stout legs and bill; feed on oysters etc.

  同义词：oyster catcher

ozone hole

• n.an area of the ozone layer (near the poles) that is seasonally depleted of ozone

ozone layer

• n.a layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun

  同义词：ozonosphere

ozonosphere[ əu\'zəunəsfiə, -\'zɔ- ]

• n.a layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun

  同义词：ozone layer

Pa[ pɑ:, pɔ: ]

• n.
  • an informal term for a father; probably derived from baby talk

    同义词：daddadadaddypapapappapop

  • a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead

    同义词：protactiniumprotoactiniumatomic number 91

  • a unit of pressure equal to one newton per square meter

    同义词：pascal

  • a Mid-Atlantic state; one of the original 13 colonies

    同义词：PennsylvaniaKeystone State

  • an electronic amplification system used as a communication system in public areas

    同义词：public address systemP.A. systemPA systemP.A.