va-pour-ware (6r£) {NAmE va-por-ware) /'veipawea^r); NAmE -parwer/ noun [U] {computing i+) a piece of software or other computer product that
has been advertised but is not available to buy yet, either because it is only
an idea or because it is still being written or designed雾件（已做广告但尚未上市的计算机
程，或f fn )
va.ri-abil-ity /.vearia'bilati; NAmE ,ver-; yasr-j mun j\J] the fact of sth being
likely to vary 可变易变性；皮 复不.定：dimaric varfabiHiy 气候如多变性◊ a degree 〇/ varfab出iy fn the exchange
rate 汇率的变化幅度 vari-able /'veariabl; NAmE'wer-; 'vaer-/
adj., noun
■
fldy. 1 often changing;
likely to change 多变的；易变 的；变化无常的 PW71 fluctuating ： variable tem- peratures.舞化不淀的气温◊ rhe acrin^ is 0/ variabZe
quality (= some of it is good and
some of it is bad). 秦演 时珠。一compare invariable 2 able
to be changed 可更改的；可变尚：The drill has variable speed control这钻&有变i控制。◊ variaWe 〖ig/iring亮度可
调的照明设备^81^131丫/-191)11/〇£^.
■
noun a situation, number or
quantity that can vary or be varied可变情况；变量；岢变因佘：With so many variables, it is difficult to
calculate the cost,有'这么秦 的可变由素，‘难计算出成本。◊ The temperature remained constant while pressure was a
variable in the experiment.做这实验时温度保持不变，但压力可变。
rain CONSTANT
vari-ance /'veariens; NAmE 'ver-; 'vaer-/ noun [U, C] {format) the
amount by which sth changes or is different bomsth else 变化幅逢；差额：variance in
temperature 温差◊. a note
with subtZe variances o/pitc/z 音麁有细微 变化' 的音符 r»T?l at variance
(with sb/sth) (formal) disagreeing with or
opposing sb/sth 看法不一；矛盾； 冲突：These condusions are
totaHy at variance with the evidence.这些结论与证据完全相悖。
vari-ant /'veariant; NAmE 'ver-; 'vaer-/ noun ~ (of/on sth) a thing that is a
slightiy different form or type of sth else 变种；变体；.变形：This game is a variant 〇/ base- baH. ii种运动是由棒球演变而来的。► vari.ant : variant
forms of spelling 0 a variant
/orm
0/ojtygen known 〇5 ozone称为臭氧向氧的同素异
形哼
varl-ation /.veari'eiXn; NAmEyer-/ noun 1 [C，U]〜（in/of sth) a change, especially
in the amount or level ofsth (数量、水平等的）变化，变更，变异： "The dial records very slight
variations in pressure.该亥分 度盘能显示很微小的压力变化。◊ Currency
exchange rates are aiways subject to variation.货币的包换率始终 波动。◊
regional/seasonal variation (= depending on the region or time of year)地区性/拳节性变化 2
[C] ~ (on sth) a thing that different
from other things in the same general group变异的东西；变种；变体：This soup is a spicy variation on
a traditional favourite,
汤是在一种受欢迎的传统汤羹中加了香料。3 [C]~ (on sth) (music any of a set of short pieces of music
based on a simple tune repeated in a different and more complicated form 变奏；』变奏曲： a set 'of variations on a theme
by Mozart 以夢扎特某一•乐曲为圣
题的一组变奏曲◊ '(//gwraf/ve)
ffis numerous compZafnts are all variations on a theme (= all about the same
thipg).他的满g牢骚说来道去都是为了一件事。
vari-cose vein /,vaerikaus 'vein; NAmE -kous/ noun a vein, especially one in the leg, which
has become swollen and painful (尤指腿部的 >
静脉曲张
varied
t>"w /'vearid;
NAmE 'verid;
'vaer-/ adj. (usually
approving)
1
of many different types各种各样的；形形色色的；不
相同的：varied opinions各韩不同的意见oa wide and varied
seiecrion 0/cheeses种类繁多的司■供选购的奶酪
2
not staying, the same,
but changing often 变也的；多 变的；不同的：报Zed ayM cmd variedh/e•他过着丰富
多f的生活。
varie-gated /'veariageitid; 'vearig-; NAmE 'ver-/ adj. 1 {technical 7^ i#) having spots or
marks of a different colour 斑驳的；肴斑点的：a pZant with
variegated ieaves
斑叶植物 2 consisting of many different types
of thing or person五在八门的；形形色S的 variety /va'raiati/ noun {pi. -ies)
■
[sing.] ^ st^)
several different sorts of the same thing (同一事物的）不同种类，多种式样：There isa wide variety 0/patterns to choose _/ir〇m•有种类繁多的图 案可供选择。◊ ffe resigned /or a
variety 〇/ reasons.他由 +奸种原因辞职了。:‘◊ rhis too〖 can be used in.a
variety 0/ ways.这一工爲看多种用途。was impressed by the
variety 0/dishes on o力fcr,俞供应的菜肴之丰盛让我心动。
■
[U] the quality
of not being the same or not doing the same thing all the time变化；多样化；多变性HT1 diversity： V^e aH need varied in our diet•我们都需要
■饮食多样化。◊ V/e want more variety m our worfc.我们 希M我们的工作多变点儿花样。3 [C]〜(of sth) a type of a thing, for
example a plant or language, that is different from the others in the same
general group
(植物、语言等的）凌种，变体；异体；品种：Appks come m a great many varieties.苹果的品种繁多。oa rare variety o/orc/ifd 兰花的稀有品种◊ d好erent varieties 0/ 各类英语◊ My cooking is 0/ the ‘qiifcfc crnci
simpk’variety.我做饭菜属于既快捷又简单的那一类。
4 (NAmE also vaude-ville) (U] a form of theatre or
television entertainment that consists of a series of short performances, such
as singing, dancing and funny acts 综艺节目（包括歌舞、杂耍等的舞台演出或电视节目）： a variety s/imv/theatre 综艺节.目 / 剧场 IT»Iin variety is the spice
of 'life {saying) new and exciting
experiences make life more interesting经历丰富多彩J令圣活充满
乐趣
va'riety meats noun [pi.] {
.杂声店，杂货铺
vari-fo-cals /'vearifauklz; NAmE 'verifouklz/ noun [pi.] a pair of glasses
in which each lens varies in
thickness from the upper part to the lower part. The upper part is for looking
at things at a distance, and the lower part is for looking at things that are
dose to you.变焦眼镜， 渐进眼镜（镜片由上至下用于看远、近距离的东西）
—compare
bifocals ► vari-focal adj. — compare BIFOCAL at
BIFOCALS
vari-OUS 〇^» /'vearias; NAmE'ver-; 'vaer-/ adj.
3
several different各种不—的；各种各样的HBTl diverse
： Tents come in
various shapes and sizes, 有各种各样的形状和大小。◊ She toofc t/ie job /or various reasons. M由于知种运因接受了这份工作。◊ There are varioiis
ways 0/ doing
this.做这一工作的方法有很多。
4
having many different features 具有多种特征
的；多姿多彩的 PTiTI
diverse ： a large and various coi^nt/y —个多姿多彩的大国
vari-ous-ly /'veariasli; NAmE 'ver-; 'vaer-/ adv. (formal) in several different
ways, usually by several different people 以各种方式；，示同地：ffe has been variousZy described as
a
hero, a genius and a buHy.他被描述为卖 雄、.天才、恶霸，示，而足。◊ The cost /ias been
variously estimated at between mfHfon and £20 miHwn. 对成本的估计众说纷纭，从1000万英镑到2 000万英镑 不等、
varmint /'vaimint; NAmE 'vairm-/ noun {old-fashioned, informal) 1 a person, especially a
child, who causes trouble惹是生非的人;乂尤指）顽童，小淘气2 3^1(1 animal, especially a fox,
that causes problems 害兽
(尤$狐狸）
varnish /'vamij; NAmE 'varrmj'/ noun, verb mnoun [U, C] a liquid that is painted onto wood,
metal, etc. and that forms a hard shiny transparent surface when it is dry 清漆；罩光漆；指甲油一see also nail
VARNISH at NAIL POLISH
■
verb to put varnish on the
surface of sth 给…涂清漆.； 上清漆；涂指甲油：{VN] 77ie doors are then
stained and varnished, jk些门还要泰色涂清漆。◊ (8r£) Josie was si’tting at
her desj; varnishing her naiis.乔适坐在书桌
旁，涂着指甲油。◊ [VN-N] .Her naik were vamh/ied a briHiant shade 0/red.她的指甲上涂了一层鲜亮的红指
甲油：
varsity /'vaisati; NAmE 'vairs-/ noun, adj.
mnoun [C,
U] {pi. -ies) 1 (