noun [专属名词]闪电，霹雳；（门或窗的）金属插销；螺栓；迅速逃跑，溜走；（布的）一匹；枪栓，枪机；弩箭；（纸等的）卷边I heard the sound of a bolt being slowly and reluctantly slid open.我听到门闩被人缓慢而费劲地抽出来的声音。
verb [vt. 及物动词]突然快速移动；<美>突然离开，脱离（政党、团体等）；用螺栓固定；闩上（门或窗）；狼吞虎咽；（蔬菜）生长过快，结实过早（而不宜食用）；脱口而出；（马）脱缰，逃跑；筛选The safety belt is easy to fit as there's no need to bolt it to seat belt anchorage points.这种安全带很容易安装，因为不需要把它拴在安全带固定点上。
adverb [方式副词]笔直地When I pushed his door open, Trevor was sitting bolt upright in bed.我推开他的门时，发现特雷弗正笔直地坐在床上。