bolt

门闩, 螺钉, 筛子, 闪电, 意外事件

a sliding bar in a breech-loading firearm that ejects an empty cartridge and replaces it and closes the breech; the part of a lock that is engaged or withdrawn with a key; a roll of cloth or wallpaper of a definite length; a screw that screws into a nut to form a fastener

闩住, 发射, 脱口而出, 筛, 囫囵吞下

囫囵吞枣, 射箭, 脱缰, 退出党派

突然