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bolt

英 [b??lt] 美[bolt]
  • n. 螺栓,螺釘;閃電,雷電;門閂;弩箭
  • vt. 篩選;囫圇吞下;(把門、窗等)閂上;突然說(shuō)出,脫口說(shuō)出
  • vi. (門窗等)閂上,拴住;沖出,跳出;(馬等的)脫韁;囫圇吞下
  • adv. 突然地;像箭似地;直立地

CET4TEM4考研CET6中低頻詞IELTSGRE核心詞匯

詞態(tài)變化


復(fù)數(shù):?bolts;第三人稱單數(shù):?bolts;過(guò)去式:?bolted;過(guò)去分詞:?bolted;現(xiàn)在分詞:?bolting;

助記提示


bolt:抱頭。抱頭鼠竄——急逃。

中文詞源


bolt 螺栓,閃電

來(lái)自PIE *bheld, 擊,打。可能同bill, 擊,咬,鳥(niǎo)嘴。

英文詞源


bolt
bolt: [OE] In Old English, a bolt was an arrow, particularly of the short stout variety used in crossbows (hence the phrase shoot one’s bolt). The more familiar modern sense ‘fastening pin’ developed in the 13th century. The verbal sense ‘make a quick escape’ comes from the notion of firing a projectile. The word appears in other Germanic languages (for instance German bolz ‘bolt’), but its ultimate origin is unknown.
bolt (n.)
Old English bolt "short, stout arrow with a heavy head;" also "crossbow for throwing bolts," from Proto-Germanic *bultas (cognates: Old Norse bolti, Danish bolt, Dutch bout, German Bolzen), perhaps from PIE root *bheld- "to knock, strike" (cognates: Lithuanian beldu "I knock," baldas "pole for striking").

Applied since Middle English to other short metal rods (especially those with knobbed ends). From the notion of an arrow's flight comes the lightning bolt (1530s). A bolt of canvas (c. 1400) was so called for its shape. Adverbial phrase bolt upright is from late 14c.
bolt (v.)
from bolt (n.) in its various senses; from a crossbow arrow's quick flight comes the meaning "to spring, to make a quick start" (early 13c.). Via the notion of runaway horses, this came to mean "to leave suddenly" (early 19c.). Meaning "to gulp down food" is from 1794. The meaning "to secure by means of a bolt" is from 1580s. Related: Bolted; bolting.

雙語(yǔ)例句


1. Suddenly a bolt of lightning crackled through the sky.
突然一道閃電劃破長(zhǎng)空。

來(lái)自柯林斯例句

2. If the soil dries out the plants may bolt.
如果土壤過(guò)干,植株可能會(huì)過(guò)早結(jié)實(shí)。

來(lái)自柯林斯例句

3. Loosen the bolt so the bars can be turned.
松一松插銷,好轉(zhuǎn)動(dòng)門閂。

來(lái)自柯林斯例句

4. I bored a hole so that the fixing bolt would pass through.
我鉆了個(gè)孔,好讓固定插銷穿過(guò)去。

來(lái)自柯林斯例句

5. The donkey brayed and tried to bolt.
這頭驢嘶叫著試圖脫韁而逃。

來(lái)自柯林斯例句

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