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double ['dʌbl]

n. 双精度型
n. 两倍
a. 两倍的,双重的
vt. 使加倍
vi. 加倍,快步走,加倍努力

时　态：dou·bled, dou·bling, dou·bles

名　词：dou'ble·ness

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downward and forward
[例]
- he was bent double with pain
two together
[例]
- some people sleep better double
to double the degree
[同] double , doubly , twice
[例]
- she was doubly rewarded
- his eyes were double bright

a base hit on which the batter stops safely at second base
[同] double , two-bagger , two-base hit , two-baser
[例]
- he hit a double to deep centerfield
a stand-in for movie stars to perform dangerous stunts
[同] double , stunt man , stunt woman
[例]
- his first job in Hollywood was as a double for Clark Gable
someone who closely resembles a famous person (especially an actor)
[同] double , image , look-alike
[例]
- he could be Gingrich's double
- she's the very image of her mother
a quantity that is twice as great as another
[例]
- 36 is the double of 18
raising the stakes in a card game by a factor of 2
[同] double , doubling
[例]
- I decided his double was a bluff

used of flowers having more than the usual number of petals in crowded or overlapping arrangements
[反] single
[例]
- double chrysanthemums have many rows of petals and are usually spherical or hemispherical
used of homologous chromosomes associated in pairs in synapsis
[同] double , bivalent
[反] multivalent , univalent
having more than one decidedly dissimilar aspects or qualities
[同] double , dual , threefold , three-fold , treble , twofold , two-fold
[例]
- a double (or dual) role for an actor
- the office of a clergyman is twofold; go public preaching and private influence
- every episode has its double and treble meaning
consisting of or involving two parts or components usually in pairs
[同] double , dual , duple
[例]
- an egg with a double yolk
- a double (binary) star
- double doors
- dual controls for pilot and copilot
- duple (or double) time consists of two (or a multiple of two) beats to a measure
twice as great or many
[同] double , doubled , twofold , two-fold
[例]
- ate a double portion
- the dose is doubled
- a twofold increase
large enough for two
[例]
- a double bed
- a double room
having two meanings with intent to deceive
[同] double , forked
[例]
- a sly double meaning
- spoke with forked tongue

increase twofold
[同] double , duplicate
[例]
- The population doubled within 50 years
make or do or perform again
[同] double , duplicate , reduplicate , repeat , replicate
[例]
- He could never replicate his brilliant performance of the magic trick
hit a two-base hit
bend over or curl up, usually with laughter or pain
[同] double , double over , double up
[例]
- He doubled and vomited violently
do double duty; serve two purposes or have two functions
[例]
- She doubles as his wife and secretary
bridge: make a demand for (a card or suit)