单词	crackerjack
释义	crack·er·jack (krăkər-jăk′) also crack·a·jack (krăkə-) adj. Slang Of excellent quality or ability; fine. [Probably from CRACK, first-rate + JACK.] cracker·jack′ n.
随便看	larva larval larvicidal larvicide laryng- laryng- laryngal laryngeal laryngectomy larynges laryngitic laryngitis laryngo- laryngologist laryngology laryngopharynx laryngoscope laryngoscopic laryngoscopical laryngoscopically laryngoscopy larynx lasagna La Salle lascar

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