vol-au-vent /'vdI a vd; NAmE ,vo:l oa 'va:/ noun {BrE, from French) a small round case
of light pastry filled with meat,
fish, etc. in a cream sauce, often eaten with your fingers at parties酥皮馅饼（以肉、鱼等加奶油作馅
的小圆千层酥）
Vol.can.ic /vDl'kaemk; NAmE va:l-/ adj. caused or produced by
a volcano火山的;“火llj引起的;、火llj严生 的：voZcanfc rocfcs 火山岩.◊ voZccmfc
eruptions 火山命发
vol-cano
/vDl'keinau;
NAmE vail'keinou/ noun (/?/. -oes or -os) a mountain with a
large opening at the top through which gases and lava (= hot liquid rock) are forced out into the air, or have
t)een in the past 火山：
An
active votozno may ’erupt at any rime•活火 ilj 会哮时 喷发。◊ a dormant vofcano (=■ one that is not active at
present)休眠火山◊ an extinct
voZcano (= one that is no ionger active)死火山
Vol-can-ology /.VDlka'nDladsi; NAmE .vailka'nail-/ (also vul-can-ology) noun [U] the scientific study
of volcanoes
火山学
vole /v9ul; NAmE voul/ noun a small animal like a
mouse or rat that lives in fields
or near rivers 田鼠
—see
also water vole
vol-ition /ya'lijn; NAmE
also wou'l-/ noun [U] [format) the power
to choose sth freely or to make your own decisions意志;6愿选择；自行决断BDCI free wi^l: They left entirely of their own volition (= because they wanted to).他彳丨i完全是自愿离开的。
vol-ley /'vDli; NAmE 'vaili/ noun, verb m noun 1 (in some
sports, for example tennis or football (soccERj某些体育运动，如网球或足球）a hit or kick
of the ball before it touches the ground _击空.中球；凌空 击球（或踢球）：She hi't a/orehand voZtey into the net. 她主手_由球未过网。2a lot of bullets，stones,
etc. that are fired or thrown at the same time (子弹的 > 群 射，齐发；（石块的）齐投：A voHey 〇/shots
rang out. 一排子弹呼啸而出。◊ Police/ired
a voHey over the /leads o/Ae crowd.警察朝人群头顶上方射出一排子弹。3 a lot
of questions, comments, insults, etc. that are directed at sb quickly one after
tiie other (质问、评论.、辱骂等
的）—连发出 HIT! torrent ： She faced, a volley of angry
questions介om her mother•她受到母亲二连串相怒
的质问。
• verb (in some sports, for
example tennis or football (soccer)某些体#运S，如网球或足球）to hit or kick the
ball before it touches the ground 拦_ (空’中球）；截
■.击；凌空抽射：[VN] ffe voHeyed the
ban into the bacfc 〇少
the
net.他凌空一脚把球踢入网窝。[also
V]、 vol-ley'ball /'vpliboil; NAmE 'va:l-/ noun [u] a game in which two
teams of six players use their hands to hit a large ball backwards and forwards
over a high net while trying not to let the ball touch the ground on their own
side 排球运动一see also beach
volleyball volt /vault; VDlt; NAmE voult/ noun {abbr. V) a unit for measuring
the force of an electric current 伏伏特（电 压单位:a high-security/ence with.5 000 volts
passing throi^h ft有5 000伏电流通过的森严铁丝网
volt-age /'V9ultid3； NAmE 'voult-/ noun [u, C] electrical force measured
in volts .电压；伏特数： voZtage髙/低压
volte-face /.VDlt 'fa:s; NAmE ,vo:lt/ noun [sing.] (formal) a complete diange of
opinion or plan (意见或计划:的■’） 大转变，完全转变 about-turn ： This
represents a v6ife-/ace 和vernmertt thinking.这代表着政廢观点的
彻底转变。
volt-meter /'vaultmi:t9(r);
2 expressed in many
words and spoken quickly Mf'J 的；明快的：vo!uWeprotests振振有词的抗议►volubly /'VDljubli; NAmE 'va:\jd-/ adv.
VOl-UITie IHw /'VDljuim; NAmE 'va:l-;
-jam/ noun 1 [U, C] the amount of space that
an object or a substance fills; the amount of space that a container has 体积；容积；■容量：ffovv do you measure
the volume 〇/ a gas?你如何计量气体的体积？ ◊ jars 〇/ d〇5ferent
丨 2251 volunteer
vohrmes 不词容量的罐子 2 .[U〆] t.h€
amount of sth量；
额：the sheer volume (= large amount)
of business zK 量业务 o'r/iis worfc has .grown in voZume recently•这项 工作沾量最近增加了。◊
JVew roads are bdn^ buiit to cope with t/ie.increased volume 〇/ 在修建新的
道路以应付增加了的交通量。◊
Sdes volumes/eH 0.2% in June.六月f分的销售额下降了 0.2%。3 [U] the amount
of sound that is produced by a television, radio, etc..音 量；响度：to turn
the voiume up/down也音量如大/:小 4 [C] {abbr. vol.) a book,
that is part of a series of books (书籍中W ) —卷，一册：cm emycZopedia 20 voZumes —套 20 卷的百科全书；5 [C! (forma/) a book 书： a Hbrary o/over 50 000 voZumes 5 万多册的图书◊ a sHm voZume o/poetry 薄薄的一未诗集 6 [C] vol.) a series of different issues of- the same magazine, especially all the
issues for one year 卷，.合订本 （'同一杂志 的一系列期刊，尤指一年的）：‘New Scientist’ volume
J42, number 3《新科学家》第142.卷第3期IM see
SPEAK
vo-lu-min-ous /va'luiminas/ adj. (formal) 1 (of clothing 衣服)very large; having a lot of
cloth 肥大的；宽松的；
用布料多的ample： a.
voluminous sfcirt肥大的裙
.丰2 (of a piece of writing, a
book, etc..文章、去籍_) very long and detailed浩嫉的；大部头的；长篇的；冗
长尚 3 (of .a container,.piece of
furniture，etc•容器、家
負r等).very large 啦大的：Z sanfc dow/i fnto a voZuminous
armchair.我一下辛;宽本的辞丰椅里。.► vo.丨u.min-
ous*ly adv.
volu-mize (BrE also -ise) /'voljumaiz;
NAmE'vaH-/ noun [Vl^ to
make hair look thicker 便 +(,头发）显得浓备使
T头发）:_盈► volu-mizer /’vDljuniaiz^r);
'va:l-/ noun
vol-un-tar-ily /'volantrali; NAmE .vailan'terali/ adv. 1 willingly; without being forced 自愿地；.自动地；主
动地：He was not asked, to leave—he went voluntarily. 没人让他走，是他主动走的。2 without
payment; free 无偿地；义务地：77ie _Amd is vohmtariiy administered. 这个.基金是无偿管理的。.
vol-un-tary /'volantri; NAmE 'varlanteri/ adj.,
noun
■ ad；/’. 1 done willingly, not because you are forced
自愿 的；志愿的；主动的；自告奋勇的：a voZuntoy agreement 自愿协 议 ◊ Attendance on t/ie course is pureZy
voluntary.卩片这门课纯粹是自愿的。◊ to pay voluntary contributions into a pension 自愿向虫休基金支款◊
(firf) He took voluntary redundancy, ffe T S JS ic ik。 MJJi compulsory 2 [usually before noun] (of work 工作）done by
people who choose to do it without being paid自愿性的；关偿的；义务性的：Idosomevo〖lm- tary work at t/ze Z〇cd
hospftai.我在当地医.院从事一些义
务性工作。She works there on a voluntary basis•她 i 愿在_ 里无偿工作。◊
voluntary servfces/botifes/ agencies/organizations (= organized, controlled or
supported by people who choose to do this and are usually not paid)义务；姪服务/团体/机构/组织◊ the voluntary sector {= organizations which are set
up to help people and which do not make a profit，for example charities)非营利部门 3 [only before noun] _(of a
person A ) doing a job without wanting to be paid for it自愿的；志愿的：义务的；自发的：a voluntary worfcer 志愿工作者 4 (fed7/i/〇7/ 术语）（of movements of the body人体活动)that you
can control随意的；可以控
制的 Pin INVOLUNTARY
• noun (pi -ies) a piece of music played before, during or
after a church service, usually on an organ 仪式终始
曲，即兴曲（通常用风琴在教堂礼拜仪式前后或期间
演奏）
.Voluntary .Service Over*seas[u] {abbr. vs〇) a British
charity that sends skilled people such as doctors and teachers to work in other
countries as volunteers
海外志愿者服务社（英国外派医生、教师等技术人士的慈
善机构）
vol-un-teer/,vDl8n'tia(r); .varlan'tir/ noun, verb
mnoun 1 a person who does a job
without being paid for it义务工#者；志愿者：volunteer hewers无偿癀助者◊ Schools
need, volunteers to help children to read.
要义务工作者帮助儿童阅读。2a person who offers to do sth without being forced to do it‘自■告奋勇者；，主动