double-'header a7〇wa7 (AMmE) (in baseball 棒球）two
games that are played on the
same day，traditionally on a Sunday, and usually by the same two teams — 日 连赛两场（传统上在星期日，通常为相同的两个队）
.double 'helix noun {biology the structure of DNA, consisting of two
connected long thin pieces that form a spiral shape双螺旋（脱氧核糖核酸的结构）
.double 'jeopardy noun {NAmE, law #) the fact of taking sb to court twice
for the same crime, or punishing sb twice for the same reason (对同一罪行 的）重复（因同一原因的）两次惩罚
Rouble-1 jointed adj. having joints in your fingers, arms, etc.
that allow you to bend them both backwards and forwards有双关4的；关节能前后弯曲的
.double 'life noun a life of a person who leads two different
lives which are kept separate from each other, usually because one of them
involves secret, often illegal or immoral，activities 双重人格的生活：to live/ Zead a douWe H/e过着双重人格的生活
.double 'negative noun {grammar &) a negative statement containing two
negative words. ‘I didn’t say nothing’ is a
double negative because it contains two negative words, ‘n，t’ and ‘nothing’. This use is not considered correct
in standard English•双重否定（I didn’t say
nothing是双重否定句，包含ri’t和nothing两个 否定词）
.double-1 park verb [usually passive] to park a car or other
vehicle beside one that is already parked in a street 并 排停放（将车停在已停放于路边的车辆旁）：[VN] A car stood double-parked
almost in the middle of the road. 一辆车并排停在路边另一辆车旁，几乎占据了路的中央。
0 III have to rush—I’m doubie-parfced•我得赶紧点
我是并排停车9 [also V]
,double 'play.nowr? (in baseball 棒球）a situation in which two
players are put out (= made to finish their attempt at scoring a run)双杀
.double 'precision noun [u] {computing >f) the use of twice
the usual number of bits to represent a number,
making it more accurate双精度，倍精度（以两倍于通
常的比特数来>表示数值以增加准确性）
.double 'quick^v. [BrE, informal) very quickly 1$^; 快极了 ► jouble-'quick[only before noun]: The TV was repaired in douWe-qufcfc rime.这电视机一会儿就修
好了。
■
double 'rhyme now/7 [U] (in poetry 诗歌）a pair of
words which have two parts
ending with the same sounds, for example ‘reading’ and ‘speeding’ 双重韵
律，双韵（有两处末尾发音相同的两个词，如reading和 speeding ).
.double 'room (also double) noun a bedroom for two people双人房间
double-speak/'dAblspiik/ (also 'double-talk)/iot/n,[u] language that is
intended to make people believe sth which is not true, or that can be
understood in two different ways欺乂之谈；模棱两可的用词；含糊其辞的
说法 、
.double 'standard noun a rule or moral principle that is unfair
because it is used in one situation, but not in another, or because it treats
one group of people in a way that is different from the treatment of another 双 重标准；双重道^标准
.double-'stopping noun [U] {music the action of
playing two strings together on a violin
or similar instrument (小提琴等的）双音演奏丨一'弓拉奏两条弦）
doublet /'dAblat/ noun a short, tightly fitting jacket worn by men from
the 14th to tiie l.7th century ( 14- 17世纪男子穿的）紧身短上衣：dressed fn douWetami hose穿着紧身衣裤
.double 'take noun if you do a double take, you wait for a
moment before you react to sth that has happened，because it is very
surprising 愣了一会儿才恍
然大悟的反应
double-talk/'dAbltoik/ noun [u] =
doublespeak double-think /'dAblGi^k/ noun [u] the act of holding two opposite
opinions or
beliefs
at the same time; the ability to do this双重思想，双重思考（同时保持两种相
互矛盾的看法或信彳印）；双重思考能力
I 599 doubt
.double 'time noun [U] twice sb's normal pay, that they earn
for working at times which are not normal working hours (付给加班者的）双倍工资
■
double 丨top /loim (in the game of darts 掷飞镖游戏）a
score
of double twenty二十的两倍得分；双二4*务
,double 'vision noun [U] if you have double vision, you can
see two things where there is actually only one 复视（将一个物体看成两个影像） doub-loon /dA'bluin/ noun (in the past) a Spanish gold coin达布隆（西班牙旧时的金币） doubly /'dAbli/ fldv. (used before adjectives 置于形容词 前）1 more than usual 更加；越;;倍加：doubly dij〇fiicu〖t/hant/important越发困难/艰难/重要◊ I made
doubly sure I locked all the doors when I went out.我一再查看所有的门都锁好后才出的门。2
in two ways; for two reasons在两方面；由于双重原因：JT was doubly
attracted to the house—by its size and its loca- tion.我喜欢这房子有两方面的原因——大小合璋而且地
点好。
doubt /daut/ noun, verb
■
noun [U, C] ~ (about sth). I 〜（that …）I..〜（as
to sth) a
feeling
of being uncertain about sth or not believing sth 疑惑；疑问；不确定；不相信：a/eeHng 〇/doubt
and imcertainfy.迟疑不.定的感受◊ ITiere is some
doubt about the best way to do ft•这件事怎么做才是最佳办法有
点吃不准。◊打iere is no doubt at aH
that we did the thfng.毫无疑问我们做得对。◊ New evidence
has doubt on the guilt of the man jailed for the crime. 新的证据使人们对这个犯罪入狱的男子是否有罪产生了怀
疑。◊ 77ie arride raised doubts about
how ej5Fecrive the new drug reaHy was.这篇文章对这种新药的釦效有多大 提出了 疑问。◊ " you are
m any tioubt as to whet/ier you should be doing these exercises, consult
your doctor. 如果你拿不准是否应进行这种锻炼，咨询一下医生好了。
〇 She
knew without a shadow of a doubt that he was Zying to her.她十分清楚他在对施撒谎。◊ Whether he will
continue to be successful in future is open to doubt. 他今后能否继续获得成功值得怀疑。BM beyond (any) 'doubt in a way that shows that sth is completely
certain.无疑；确矣：The research showed beyond doubt that smofcing
contributes to heart disease.这访研究确实 表明吸烟会导致心脏疾病。◊ (/aw律）The prosecution was
able to establish beyond reasonable doubt that the womcm had
beerUying.公诉人确切无疑地证实这个女人
一直在撒谎。be丨n 'doubt to be uncertain不肯定；不 确定；舍木准：TTie success 〇/the
system is not fn doubt. 这种制度的成功确定无疑。have yourdoubts. (about sth) to have reasons why
you are not certain about whether sth is good or whether sth good will happen (有理由）不相信，对（某事）持怀疑态度：/Ve had my doubts
about his worfc since he joined the 自从他力口
入公司以来，我对他的工作一直持有怀疑。may be ■aZZ
right. ■PersonaHy, / have my doubts.这或许行，我
个人持怀疑态度。if in ‘doubt used to give advice to sb who cannot
decide what to do如果没把握；如果拿不
准：J/ fn doubt, wear
Wacfc.拿禾定主啬就穿黑色表無。
,no 'doubt 1 used when you are
saying that sth is probable 无疑；很可能：2Vo doubt caH us when s/ie gets there.她到达那里时必定会给我们打电话。2
used when you are saying that sth is certainly true 无疑；确 实地：He's made some great
movies. Therms no doubt aboutit.他拍了一些非常出色的影片。这一点是毫无疑问
的。without/beyond 'doubt used when you are
giving your opinion and emphasizing the point that you are making 毫无疑1 问；的确：This meeting has been,
without doubt, one of the most useful we have had so far. 这无疑是我们迄今为止最有用的一次会议。一more at
BENEFIT 11.
u verb
1 to
feel uncertain about sth; to feel that sth is not true，will probably not
happen, etc.无把握；不能肯
定；_ 认为…未必可能：There seems no reason
to doubt her sto/y•似♦■没有理由怀疑她所说的话。◊ Do you thinfc
£n^and wiH win?’一‘J doubt it.’ “你认为英格兰队会取
胜吗？ ”，“不一定。” 〇[V (that)] J never doubted (WiatJ she wouW come•我从未怀她备来。〇..[v
wh-] J doubt whether/i/t/ze
new one wiH be any better.我不敢肯定这 个新的否会好些。2 [VN] to not trust
sb/sth; to not