| 释义 | 
		Definition of crash-dive in English: crash-diveverb [no object]1(of a submarine) dive rapidly and steeply to a deeper level in an emergency.  Example sentencesExamples -  If the submarine had come under attack, both men would have quickly drowned with no hope of escape as their boat crash-dived.
 -  Anyway, Brick's good piloting brought the sub back in view, now crash-diving to yet away.
 -  Often, in the mid-Atlantic, after forcing U-boats to crash-dive, carrier planes dropped homing torpedoes on the submarines.
 -  These allowed a submarine to surface and crash dive without having to send out crewmen to dismantle the mast in an emergency.
 
 - 1.1 (of an aircraft) plunge steeply downwards into a crash.
 pilots crash-dived on bridges over the Oder, destroying three of them  Synonyms crash, plummet, pitch, drop, fall, fall headlong, tumble, nosedive, take a nosedive, descend  
 
 noun A steep dive by a submarine or aircraft.  Example sentencesExamples -  The man admitted that he had been playing with the helicopter and was making a crash dive move.
 -  ‘There was a lot of noise and debris flying about and the helicopter went into a controlled crash dive but Pete had only partially detached himself,’ said Mr Dell.
 -  Forty minutes later we make a crash dive, regrouping at 15m below the surface current that whips across the reef-top.
 
    Definition of crash-dive in US English: crash-diveverbˈkræʃˌdaɪvˈkraSHˌdīv [no object]1(of a submarine) dive rapidly and steeply to a deeper level in an emergency.  Example sentencesExamples -  Anyway, Brick's good piloting brought the sub back in view, now crash-diving to yet away.
 -  If the submarine had come under attack, both men would have quickly drowned with no hope of escape as their boat crash-dived.
 -  These allowed a submarine to surface and crash dive without having to send out crewmen to dismantle the mast in an emergency.
 -  Often, in the mid-Atlantic, after forcing U-boats to crash-dive, carrier planes dropped homing torpedoes on the submarines.
 
 - 1.1 (of an aircraft) plunge steeply downward into a crash.
 pilots crash-dived on bridges over the Oder, destroying three of them  Synonyms crash, plummet, pitch, drop, fall, fall headlong, tumble, nosedive, take a nosedive, descend  
 
 nounˈkræʃˌdaɪvˈkraSHˌdīv crash diveA steep dive by a submarine or aircraft.  Example sentencesExamples -  The man admitted that he had been playing with the helicopter and was making a crash dive move.
 -  Forty minutes later we make a crash dive, regrouping at 15m below the surface current that whips across the reef-top.
 -  ‘There was a lot of noise and debris flying about and the helicopter went into a controlled crash dive but Pete had only partially detached himself,’ said Mr Dell.
 
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