.地里。3 [sing.] a set of experiences of a particular type (某种）经验体系：the mora〖 universe道德体系
uni-ver-sity
0■» /ju:m'v3：S0ti; NAmE -'V3：rs-/ noun [C, U) {pi. -ies) [abbr. Univ.)
an institution at the
highest level of education where you can study for a degree or do research .(综合)大 学；髙等学治：Is there a university fn this town?这座 城市有凌看夫令：？◊
Unix™ /'jurmks/ noun [\J] (computing if) an operating
system which
can be used by many people at the same time * Unix操作系统(可供多人同时使用） unjust /.An_d3Ast/ flc/y. not deserved or feir 不公平的； 不公芷的；非正X的：an unjust kzw米公主的法律EQ3 just ► un just-ly adv. ： She felt that she had been unjus办treated.她觉得自己受到了不公平的待遇。
un.jui.ti.fi.able
/An_d3Astrfai9bl/
喊（of an action 行动） impossible to excuse
or accept because there is no good reason for it不可原谅的；禾法接受的；无正当理由的
cnr?! indefensible
： an u/ijust^c^ie deZay 无理的拖延 fiT-n justifiable ►
un.jus.ti.fi.ably /-abli/ adv. linjus-ti>fiecl /An'd3Astifaid/ adj. not fair or necessary 不公正的；不i当的；不必i的H77I UNWARRANTED: 77ie
criticism was whoHy imjusfiyied.这样的批详完全是 不公平的。JUSTIFIED
un-kempt /.An'kempt/ adj. (especially of sb^ hair or general
appearance %指头发或}卜貌)riot well cared fpr; not neat or tidy不逄嬙的；凌乱的；木修边幅的SEE] dishevelled
： greasy,'
un/cempt hair 油丰乎乱蓬蓬的
头发’
Ull.kind
〇Tr/,An_kaind/fl〇!/_
~ (to sb/sth)
(to do sth) unpleasant or unfriendly; slightly cruel术友善的；不亲切的；不客气的；刻薄的： an un&md remarfc 不衣善的话◊ ffe was never actuaZZy unfcinc? to them.其实化从没秦■他们不好。6 Jt wouW be unfcind to go without
Wm. M命他那就是不够朋友了。
r«ni3 kind ► un-kind-ly adv. ： That^ your problem,r she remarked “那是你的问题。”她刻薄地说。
un-kind ness noun [U]
un-know-able /An'nauabl; NAmE -'nou-/ adj. {formal) that cannot be known无法知道的；本可;知的：a distant, imfcmnvabZe
diVine power 遥远不可知的神力 un-know-ing /An'nauir)； NAmE -'nou-/ adj. [usually before noun] {formal) not aware of what you are doing or what is
happening没意识到的；未察觉的；无知的：He was the unknowing cause; of all the misunderstanding,
意中引起了这一切i矣备。一compare knowing ► un- know-ing ly adv. ： She had unknowingly broken the rute.她无意中犯了规。
(Lin.known
0-w /•An’naim; -’noun/ a办，
_
ad!/. "1 ~ (to sb) not known or
identified 未知的；木详 的；未被_ 认的：a species 〇/ insect
previously imfcnown to science #学上以前尚未T解的一种昆虫◊设was trying, for some unknown reason, to count the stars. ^ 知何舍，他试图数星星。◊ T/ie man’s I’dentify remains imfc/iown.这念男子的身份还是个谜。2 (of people人) not
famous or well known 不出名的；充着的：an unknown a‘ctor
没有名气:的演员◊ The author is vi'rtuaHy unknown
outside PoZand•在舨兰以外，淳位作者实际
I:鲜为人知。3 never happenin琴 or
existing 从未发 生的；从不存在的：77ie disease is os yef
imfcfiown in Europe’(= there have been no cases there).:.这种疾病至 今尚■未诠哮洲出现过。◊ ft was not unknown/or people to have to wait several hours (= it happened
sometimes). 人们得等几个小时的事时有发生。IM an ,unknown 'quantity a person or thing whose
qualities or abilities are not yet known未知数（指尚不清楚;有待证实的'人 或事物 > unknown to. sb without the person
mentioned
| 2207
being aware of it…•尚不知道；把…蒙在鼓里：[7nfcnown to me, .he had already signed the agreement.他背着我■已
签了物议。
■
noun 1 the
unknown [sing.]
places or things that are not known about 未知的地方或事物a journey into t/ie
imfcnown 探险之旅◊ a/ear 〇/ the un/cnomr 对 未知事物的恐惧 2
[C] a person who is not well known 无 名者；不出名的人：A young unfcnown p〖ayed
the 〖eading roZe.演主角的是一个名不见经传的年轻人。3 [C]
a fact or an influence that is not known 不明的情况；味知的
因素：There are so many unknowns in the proposal. 这项提案中的未知数太多了。4 [C] 数）a
quantity that does not have a
known value 未知数；未 知量：X ami V in the equation are both
unknowns.等式 中的X和Y都是未知数。
the .Unknown 'Soldier noun [sing.]
a soldier who has been killed in a war, whose body has not been identified, and
who is buried in special ceremony. The Unknown Soldier is a symbol for all the
soldiers killed in a particular war or in wars generally.无名战士:(…在 特别葬礼上埋葬的阵亡无名军人，象征某场或所有战争中
的阵亡将士 V: the tomb of
the Unknown Soldier 无名战 士墓
un-lace /An'ieis/ verb [VN] to undo the laces
of shoes, clothes, etc.解异（鞋+、1衣服等）的带子EH3 lace up un-laden /.An'leidn/ adj. {technical 7^if) (of a vehicle^ 辆等）not loaded 未负.義尚；空;牟的：a ve/n’de wft/Tan unZaden weight 〇/ 3 000 净重 3B^
的汽车一compare laden(1_)
_ ___
un-law.fu響 /Aii_b:fl/ (/b/wfl/) no’t allowed by the law
不合法的；非法的；违法的ILLEGAL 033 LAWFUL
►
un-law-fuhly /-fali/
adv.
unlawful 'kijling noun {law W) a murder or other
killing which is considered a crime, for example when a person dies because sb
is careless 非法杀 A (包括 因疏忽导致他人死亡1V : "Hie two _ po〖fce
queers were accused o/un〖aw/ii〖 fciHing.这两名警员被控非杀人。
un.lead.ed /_An，ledid/ (of petrol/gas 汽油或燃’气) not containing lead and therefore less harmful to the environment 无铅的；不含铅的 riTira
leaded ► un-lead- ed noun [U] ： t/nZeaded is cheaper than dfeseZ.无铅汽油 比柴油便宜。
un-learn /,An'l3：n; NAmE .An'birn/ verb [VN] to deliberately forget sth that you
have learned, especially sth bad or wrong故意忘却（尤指学到的错.或坏事）；抛 ..弃：You'll have to unlearn all the bad
habits you learned with your kistp^mo teacher.你必须丢掉你的前任钢琴老
师所教的一切环习惯。
un-leash /An'liij*/ verb [\/H] ~ sth (on/upon sb/sth) to suddenly let a strong
force, emotion, etc. be felt or have an effect发泄；突然释放；使爆发：T/ie government’s proposals. imZeasfteti a storm 〇/ protest
in t/ie press.政府的提爹引发了新闻界的抗议浪潮。
un.leav.ened /,An丨levnd/ （of bread 面包）made
without any yeast and tlierefore flat 未发酵的；.不加酵
母的；死面的一see also leaven
/I un-less
(Hw /an'les/
conj.
1
used
to say that sth can only happen or be true in a particular situation 除非.；除非在…情况下：_ Ybu won’t get paid for time off unless you have a
doctor^ note. 你有医生证明，否则你不上班便拿不到：L资。◊ 了 won’t
tell them—not unZess you say J can.我绝不告诉他们
除非.你允许。◊ J’m
mistaken, she was bacfc at
work yesterday.除非是我记错了，她是昨天闰来上班的。
〇 He hasrCt got any hobbies—unless
you call watching TV a hobby.他没有什么爱好——除非你把看电视也称作爱
好。2 used to give the only
situation in which sth will not happen or be true.廣非；如果不：I sleep with the window open unZess it’s
reaHy coid•天气若不痕冷,，我总 ..开着窗户睡觉。.◊ C/nZess someth/ng unexpected happens, see you
ton^orrow•如果木串意外，我明夫未看。◊ Have a cup of tea—unless you'd prefer a cold drink? nilf
茶吧 除非你喜欢冷饮？ RI3T3
Unless is used to
talk about a situation that
could happen, or something that could be true, in the future. If you know that
something has not happened or that sth is not true, use