单词	keying by
释义	keying by noun : the action of clearing an automatic stop in an emergency and permitting a train to pass a signal set at danger Word History Etymology from the gerund of key by, verb
随便看	ipidaes ipil ipilipil ipiti Ipiutak ipm IPO Ipoh ipomoeae ipomoeas ipos IPP ippi-appa ippons IPR iproniazid iproniazids ips ipse dixit ipse dixits ipsedixitism ipseity ipsi ipsilateral ipsilaterally

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