单词	top dog
释义	top dogˌtop ˈdog noun [countable] the person who has the most power in a group, especially after a struggle:  He always wanted to be the one in control, the top dog.
随便看	DJ Djakarta Djibouti djinn DM DMs DMV DNA DNA profiling DNA sequencing DNB D-notice DNS parking do D.O.A. doable dob d.o.b. Dobbin doc docent docile docilely docility dock

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