2.A device for lifting heavy objects, especially one for raising the axle of a motor vehicle off the ground so that a wheel can be changed or the underside inspected.
‘A spaceship was lying on 4 jacks in the middle of the shed, patches of the hull and fried wiring lying around.’
‘In the unfortunate event of a flat tire, having a jack and a spare tire can lead to a simple tire replacement.’
4.A game played by tossing and catching small round pebbles or star-shaped pieces of metal or plastic.
‘The product that animates Harris's work life is Crazy Bones - packs of small, brightly hued plastic figurines that are used to play a variety of games similar to jacks or marbles or dice.’
‘In Korea, young girls play a game of jacks, tossing small stones onto the ground, throwing a ball up in the air, and and trying to pick the stones up before catching the ball.’
6.A marine fish that is typically laterally compressed with a row of large spiky scales along each side, important in many places as food or game fish.
‘Located at the southern tip of Pulau Pinang, this area swamps with currents, and hence presents a good chance to observe sharks, barracudas, jacks and schools of yellowtail.’
‘On four dives there we would see a hawksbill turtle, huge parrotfish, various morays ranging from massive to tiny, jack, snapper, batfish and numerous other species.’
7.A part of the mechanism in a spinet or harpsichord that connects a key to its corresponding string and causes the string to be plucked when the key is pressed down.
‘The harpsichord's jack-and-plectrum action plucks the strings instead of striking them, creating a sharp, bright tone and a ″snappy″ keyboard feel.’
‘Volume can be increased only by engaging more sets of strings and jacks.’
9.A playing card bearing a representation of a soldier, page, or knave, normally ranking next below a queen.
‘If the turn-up is a Jack, dealer scores one white chip at once; if the turn-up is the Joker, dealer scores one blue chip at once and the cards are immediately thrown in.’
‘Police in Xinyang, a city in Henan province, have produced a half million packs of cards with the pictures of ‘notorious suspects’ on aces, kings, queens and jacks in an effort to capture the criminals.’
11.A small version of a national flag flown at the bow of a vessel in harbour to indicate its nationality.
‘At daylight we hoisted the jack for a pilot and a Delaware pilot came off, Boat C, but couldn't take us to New York.’
‘At daybreak they attempted to rouse attention on land; they hoisted the jack for a pilot and at 7 a.m. sent up signals of distress and fired a gun.’
13.A socket with two or more pairs of terminals designed to receive a jack plug.
‘The crowd instantly recognised Idioteque from the first few jittering beats and the sound of Greenwood randomly shoving jacks in and out of his analogue sequencer like a frantic telephone exchange operator.’
‘The audio is fed from the earphone jack into an auxiliary input on the vehicle's CD player, where it is amplified to on board PA speakers.’
19.The male of various animals, especially a merlin or (US) an ass.
‘The young female kestrel may have paired off with a young male. We spotted them chasing off a Jack Merlin.’
‘A mule results from a cross between a female horse, or mare, and a male donkey, or jack.’
21.Used in names of animals that are smaller than similar kinds, e.g. jack snipe.
‘In the spring male Jack Snipes court females in an unusual way. The male will fly several hundred feet in the air and perform a dive. While in the air he will also create a humming noise by fanning his tail.’
‘The Jack Snipe is an extremely difficult bird to see, partly because they are not very common but mostly because they are so well-camouflaged they will often sit unnoticed and let you walk past them.’
详解 英文释义
韦氏词典
英文百科
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通译比典
|adjective|
‘people are getting jack of strikes’
