英语词汇“bolt”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

bolt¹

(bōlt)

1. A bar made of wood or metal that slides into a socket and is used to fasten doors and gates.

2. A metal bar or rod in the mechanism of a lock that is thrown or withdrawn by turning the key.

3. 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.

a. A sliding metal bar that positions the cartridge in breechloading rifles, closes the breech, and ejects the spent cartridge.

b. A similar device in any breech mechanism.

5. A short, heavy arrow with a thick head, used especially with a crossbow.

6. A flash of lightning; a thunderbolt.

7. A sudden or unexpected event: The announcement was a veritable bolt.

8. A sudden movement toward or away.

9. A large roll of cloth of a definite length, especially as it comes from the loom.

v. bolt·ed, bolt·ing, bolts

v.tr.

1. To secure or lock with or as if with a bolt.

2. To arrange or roll (lengths of cloth, for example) on or in a bolt.

3. To eat (food) hurriedly and with little chewing; gulp.

4. To desert or withdraw support from (a political party).

5. To utter impulsively; blurt.

6. Archaic To shoot or discharge (a missile, such as an arrow).

v.intr.

1. To move or spring suddenly.

2. To start suddenly and run away: The horse bolted at the sound of the shot. The frightened child bolted from the room.

3. To break away from an affiliation, as from a political party.

4. Botany To flower or produce seeds prematurely or develop a flowering stem from a rosette.

Idioms:

bolt from the blue

A sudden, shocking surprise or turn of events.

bolt upright

In a rigidly vertical position: sat bolt upright.

[Middle English, from Old English, heavy arrow.]

单词	bolt
释义	bolt¹ (bōlt) n. 1. A bar made of wood or metal that slides into a socket and is used to fasten doors and gates. 2. A metal bar or rod in the mechanism of a lock that is thrown or withdrawn by turning the key. 3. 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. 4. a. A sliding metal bar that positions the cartridge in breechloading rifles, closes the breech, and ejects the spent cartridge. b. A similar device in any breech mechanism. 5. A short, heavy arrow with a thick head, used especially with a crossbow. 6. A flash of lightning; a thunderbolt. 7. A sudden or unexpected event: The announcement was a veritable bolt. 8. A sudden movement toward or away. 9. A large roll of cloth of a definite length, especially as it comes from the loom. v. bolt·ed, bolt·ing, bolts v.tr. 1. To secure or lock with or as if with a bolt. 2. To arrange or roll (lengths of cloth, for example) on or in a bolt. 3. To eat (food) hurriedly and with little chewing; gulp. 4. To desert or withdraw support from (a political party). 5. To utter impulsively; blurt. 6. Archaic To shoot or discharge (a missile, such as an arrow). v.intr. 1. To move or spring suddenly. 2. To start suddenly and run away: The horse bolted at the sound of the shot. The frightened child bolted from the room. 3. To break away from an affiliation, as from a political party. 4. Botany To flower or produce seeds prematurely or develop a flowering stem from a rosette. *Idioms:* *bolt from the blue* A sudden, shocking surprise or turn of events. *bolt upright* In a rigidly vertical position: sat bolt upright. [Middle English, from Old English, heavy arrow.]
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