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	deep freeze deep fry deeply deep-rooted deep-sea deep-seated deep-set deep six Deep South deep vein thrombosis Deepwater Horizon deep Web deer deerstalker deets deface defacement de facto defamation test drive tester testes testicle testicular testify

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