| 释义 |
bolt 1 AHD[bōlt] D.J.[bəʊlt]K.K.[bolt]n.（名词）- A bar made of wood or metal that slides into a socket and is used to fasten doors and gates.门闩，插销：用木或金属制成的条，插入闩中用于固紧门
- A metal bar or rod in the mechanism of a lock that is thrown or withdrawn by turning the key.锁簧：锁上的金属条或杆，旋转锁可将其压进或抽出锁孔
- A fastener consisting of a threaded pin or rod with a head at one end, designed to be inserted through holes in assembled parts and secured by a mated nut that is tightened by applying torque.螺栓：一种由可穿过的栓或竿构成的条形紧固器，一端有头，用于插进集合部分相应的孔，再用配对的螺帽旋紧
- A sliding metal bar that positions the cartridge in breechloading rifles, closes the breech, and ejects the spent cartridge.枪栓，枪机：装在后枪膛中为子弹定位的滑动金属条，可关闭枪膛和输入将用的子弹
- A similar device in any breech mechanism.栓：在有膛机械中的类似设备
- A short, heavy arrow with a thick head, used especially with a crossbow.弩箭：一种大头的短而重的箭，尤与弩连用
- A flash of lightning; a thunderbolt.闪电；霹雳
- A sudden or unexpected event:突发事件：The announcement was a veritable bolt.这告示是千真万确的突发事件
- A sudden movement toward or away.猛冲，逃跑
- A large roll of cloth of a definite length, especially as it comes from the loom.一匹：有一定长度的，尤指当其从织机上卸下来时的一卷布
v.（动词）bolt.ed, bolt.ing, bolts v.tr.（及物动词）- To secure or lock with or as if with a bolt.栓住，锁：用或好象用锁固定或锁住
- To arrange or roll (lengths of cloth, for example) on or in a bolt.将布卷成匹，整理布匹：将（例如布）安置或卷在一个栓上
- To eat (food) hurriedly and with little chewing; gulp.匆匆咽下，囫囵吞吃：快速的且很少嚼的吃（食物）；吞食
- To desert or withdraw support from (a political party).退出：从（政党）中脱离，或不再支持
- To utter impulsively; blurt.脱口而出；急促地说
- Archaic To shoot or discharge (a missile, such as an arrow).【古语】 射：投射或发出（发射物，如箭）
v.intr.（不及物动词）- To move or spring suddenly.迅速移动，突然跳起
- To start suddenly and run away:惊跑：突然起动且逃跑：The horse bolted at the sound of the shot. The frightened child bolted from the room.听到射击声，马脱缰逃跑。吓坏了的孩子从屋子中飞跑出来
- To break away from a political party or its policies.脱党：从一个政党脱离出来，拒绝支持党的政策
- Botany To flower or produce seeds prematurely or develop a flowering stem from a rosette.【植物学】 过早的生子（结实）：植物未成熟期开花或结实，从蔷薇结长为花柄
bolt from the blue - A sudden, shocking surprise or turn of events.晴天霹雳：事件的突发或突然转变
- Middle English 中古英语
- from Old English [heavy arrow] 源自 古英语 [重箭]
bolt 2 AHD[bōlt] D.J.[bəʊlt]K.K.[bolt]v.tr.（及物动词）bolt.ed, bolt.ing, bolts - To pass (flour, for example) through a sieve.筛，筛选：用筛子筛选（面粉等）
- Middle English bulten 中古英语 bulten
- from Old French buleter 源自 古法语 buleter
- from Middle High German biuteln 源自 中古高地德语 biuteln
- from biutel [bag, purse] 源自 biutel [袋子，钱包]
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