up-grade
/.Ap'greid/
verb [VN] [often passive] 1 to make a piece of
machinery, computer system, etc. more powerful^and efficient使（机器、计算机系统等）升
级；提高；改进 2 〜sb (to sth) to give sb a more
important job 提开；提拔 H771 promote 3 〜sb (to sth) to give sb a better seat
on a plane, room in a hotel, etc. than the one that they have paid for 提髙'（飞机乘 客、旅馆住客等的）待遇；优待4 to improve the condition
of a building, etc. in order to provide a better service提高（设施、服务等的）档次；改善；使升格：to upgrade the towr^s
leisure facilities —compare
downgrade ► up-grade /'Apgreid/ noun up-heav-al /Ap'hirvl/ noun [C, U] a big change that causes a lot of
confusion, worry and problems 剧变； 激变；.动乱；动荡—disruption
： the latest upheavak the education
system最近教育制度上的种种
^ M 〇 / canY
face the upheaval of moving house again. 我无法涔受再次搬家的折腾。◊ aperiod o/emotionaZ upheavai情绪波动很大的时期
up-hill
/.Ap'hil/
adj.,
adv.
■
1 sloping upwards.上坡的：an uphfH
dfmb/sZope
.向上的攀上备◊ rhe Z〇5tpart 〇/the race is aH ujphiH. 赛跑的鲁后一段全Ji上坡路。E33 downhill 2〜battle, struggle,
task, etc. an argument or a struggle
that is difficult to win and takes a lot of effort over a long period of time漫长而艰难的，费力的（战斗、斗争、任
务等）
■
adv. towards the top of a hill or slope [〇Hii ±;朝上坡
方_向：We qyded uphiH
/or'over an Aour.我们骑自行车
南 了一个多小时的坡。◊ 7?ie path s丨opes steep丨y
小径直上陡嵴的山坡。EH3 downhill up-holld /Ap'hauld; NAmE -'hould/ verb (up-held, up-held /-'held/) [VN] 1 to support sth that
you think is right and make sure that it continues to exist 女持，维护（主义 等）：We have a duty to uphoZd the 〖aw.维护法律是我 们的责任。2 (especially of a court
of law to
agree that a previous
decision was correct or that a request is reasonable维持，确认（原判、裁决等）：to uphold a conviction/an
appeal/a complaint ^ ^
判；受理上诉 /申诉► up.ho丨d.er zioi/n: an upholder
of traditional vdues i持传統价值观的人 up-hol-ster /Ap'haulsta(r); NAmE -'houl-/ verb [VN] [usually passive]〜sth (in sth) to cover
_a chair, etc. with soft material (== padding) and cloth 为■(椅子等）装软塾 (或套子等）
up-hol-ster-er
/Ap'h0ulst0ra(r); NAmE -'houl-/ noun a person whose job is to
upholster furniture 家具装饰商 up-hol-stery /Ap'haolstM-i; NAmE -'houl-/ noun [U] 1 soft covering on
furniture such as armchairs and sofas 家具装饰品（或衬垫等）2 the process or
trade of UPHOLSTERING家具装饰；家具装饰企
UPI
/ju: pi: 'ai/ abbr. United
Press International up‘keep /_Apki:p/ /?ow/i [U] 1 ~ (of sth) the cost or process of
keeping sth in good condition 保养（费）； 维修（费）H771 maintenance： Tenants
are responsible for the upkeep of rented property.
修租用的房产,2 〜（of sb/sth) the cost or process of
giving a child or an animal the things that they need 抚养（费）；喂养（成本）：ffe ma/ces payments to
his ex-m/e/or the upkeep 〇/their c/tiWren.他向前妻支付子
女的抚养费。
up-land /'Apland/ noun [usually pi.] an area of high land that is not near
the coast (.内喃■)'高地；山地►up.land adj. [only before noun]： upland agriculture ilj E^ik up<lift noun, verb
m noun /'Aplift/ [U, sing.] 1 the fact of sth being
raised or of sth increasing 提髙；抬髙；增长；增加：art uplift in saZes 销售的增长◊ an upZ诉 bra
(= that raises the breasts)挺高式乳罩 2
a
feeling of hope and happiness 振奋；鼓舞：The news gave them a
much needed 这消息给他们带来了及时的鼓舞。3 (also up_thmst) (geo/ogy 地)the process or result of
land being moved to a higher level by movements inside the earth (地壳 的）隆起，上升
verfc /_Ap’lrft/ [VN]
(/ormfl/) to make sb feel happier or give sb more hope鼓励；激励；使振奋
up-lift-ed /.Ap'liftid/ adj. 1 [not befbre noun] feeling happy and full
of hope 兴冲冲；意气_昂扬 2 (//ferary) lifted
upwards抬起命；昂起的；举起a sea 〇> up〖诉ed/aces —张张扬起的脸
up-Iift-ing /.Ap'liftiq/ adj. making you feel happier
or giving you more hope令人振奋的；鼓舞人心的；催人奋
'进的：an expertence/speec/i令人振奋的经历/
演说
up-light-er /'Aplait8(r)/ (also up-light /'Aplait/) noun a lamp in a room that
is designed to send light upwards 上射灯'一compare DOWNLIGHTER up‘nnk./_Aplmk/ (fechn/ra/ 术语）a communications link to a satellite (苫星通信的）占行链路，;卢行线
up-load
verb, noun
■
verft /.Ap’laui; AMmf -_loud/ [VN].
(compw">?g 计）to move data to a larger
computer system from a smaller one ± 载;上传 E33 download
« mom/) /’Aplaud; /VWwf -loud/
(cowpi/f/./?g 计).data
that has been moved to a larger computer system from a smaller one上载（或上传V的数湞H33 download up-market /.Ap'maikit; NAmE -'ma:rk-/ (6r£) {NAmE up-scale) adj. [usually before noun]
designed for or used by people who belong to a high social class or have a lot
of money 高档的；高级的：an upmarket
restaurant 高级餐厅 PTin
downmarket ► ,up'market [Br£) {NAmE .up'scale) adv. ： The company has been forced to move more upmarket.这家公司被迫4一步转向焉端市场。
Upon /e'pon; A/^mf e'pain/ prep.
1 (formal, especially Br£)
= on ： The decision was based upon two consideratiom..这一决定基于两种考虑。
Although
the word upon has the same meaning as on, it is usually used in more formal contexts
or in phrases such as once upon a time and row upon row of seats. * upon与on同戈，但通常用宁较毛式的场<合或once upon a time 和 row
upon row of seats 等辑语申。2 ... upon ... used to emphasize that
there is a large number or amount of sth (強调数目或数量大）：■
mfZe upon miZe 〇/dusty road绵延数矣里尘土气扬的道o thousands upon thousands of
letters 成千上万封.信件.0331 (almost) u pon you if sth in the future is almost upon you, it is going to arrive or
happen very soon 近在想尺；即将来
临：The summer season was almost upon them
again. 转眼间他们又要过夏禾了。一 more at once adv. upper /'Apa(r)/ adj., noun
madj. [only before noun] 1 located above sth else, espe-
cially stli of the same type or the other of a pair 上边 的，上面的，上屠的（尤指同类或一对中的一个the upper Zip 上嘴唇the upper dec/c 上层甲板 2 at
or near the top of sth上部的；秦上部的：the upper arm上臂◊ the■ upper
slopes 〇/ the mountom 靠近.ij顶的斜坡◊ a member 〇/ t/ie upper middle dass 中上层社会的人◊ sdaries at the
upper end 〇/the pay scaZe 工袷级别®高的
薪金◊ There is an upper Hmft 〇/ £20 000 spent on any one
project.任何项目都有一个2万英镑的经费上限。
3 (of a place 地方）located away from the
coast, on high ground or towards the north of an area 内.陆的；高地 的；向北部的：the upper reaches 〇/ the
river河流的上游
EiTJH
lower gain, get, have, etc. the .upper 'hand to get an advantage
over sb so that you are in control of a particular situation 占上风；处于有利地
位；有优势；有控制权一more at stiff mnoun [usually pi.] 1 the
top part of a shoe that is attached to the sole 鞋帮；靴面：shoes with 〖eather uppers 皮鞋一picture c> shoe 2 (/’/7/om7fl/) a drug
that makes you feel excited and full of energy 兴奋齐(J —compare downer(I)
n»1?l
on your uppers {BrE, having very iittle
money 手头诘据；_ 窘 .upper 'case noun [U] capital letters (=
the large form of letters, for example A, B, C rather than a, b，c)大写 字母：Headings shouid be in
upper case.标题应故矢写。 —compare lower
case ►
.upper 'case adj. ： upper-case letters夫写字母
.upper
chamber noun
= upper house .upper 'circle [sing:];
(espec/’fl"y S/f) the second level of seats above the floor in a theatre (剧院的）上
层环形观众席
the .upper 'class noun [sing.] (also the .upper 'classes
[pi.]) the groups of people that are
considered to have