单词	padlock
释义	padlockpadlock /ˈpædlɑk/ noun [countable] Etymology ETYMOLOGYpadlock Origin: 1400-1500 pad (of unknown origin) + lock a small metal lock with a rounded bar that you can attach to a door, bicycle, etc.—padlock verb [transitive]
随便看	surf surface surface area surface mail surface mining surface tension surface-to-air missile Surface Transportation Board, the surface water surfactant surfboard surfeit surfer surfing surge surgeon Surgeon General surge protector surgery surgical surgically surgical strike Surinam Surinamese surliness

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