英语词汇“乐呵呵”的读音、翻译、释义、用法及例句-初旭网

词汇	乐呵呵
释义	乐呵呵 1. buoyant; happy and gay
随便看	bound boundary boundary condition boundary condition of mixed type boundary curve boundary layer boundary line Boundary Peak boundary point boundary problem boundary resistance boundary value problem bound charge bounded bounded function bounded set bounded set-function bound electron bounden bounder bound form boundless bounteous bountiful bounty

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