单词	Johnny-on-the-spot
释义	Johnny-on-the-spotˌJohnny-on-the-ˈspot noun [singular] informal someone who immediately offers to help, takes an opportunity etc
随便看	Antietam antifreeze anti-fungal antigen anti-globalization Antigone Antigua Antiguan antihero antihistamine anti-inflammatory anti-lock braking system antimatter antimony Antioch antioxidant antiparticle antipasto antipathetic antipathy anti-personnel anti-perspirant Antipodean Antipodes antiquarian

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