a metal bar on a door or window that slides across to lock it closed(门窗上的)插销,闩
a screw-like metal object without a point, used with a nut to fasten things together螺栓
a flash of lightning that looks like a white line against the sky闪电,霹雳
a length or roll of cloth or wallpaper(布或墙纸的)一匹,一卷
a type of short arrow shot from a crossbow (= a type of weapon)弩箭;方镞箭
to try to escape by running towards something逃向…
[ I ] to move very fast, especially as a result of being frightened(尤指因受到惊吓而)奔跑,快跑
[ T ] also bolt down to eat food very quickly匆匆咽下;囫囵吞下
[ I or T ] to lock a door or window by sliding a bolt across闩上(门或窗)
[ T usually + adv/prep ] to fasten something in position with a bolt用螺栓固定
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