,kept 'woman noun (old-fashioned, usually humorous) a woman who is given
money and a home by a man who visits her regularly to have sex (被包养的）姘妇，
情妇_
kera-tin /'keratin/ noun [U] {biology a protein that forms hair, feathers,
horns, hoofs, etc.(发、羽、角、
蹄等的）角蛋白
kerb (6riE) {NAmE curb) /k3：b; NAmE k3：rb/ noun the edge of the raised
path at the side of a road, usually made of long pieces of stone (由犖石砌成的）缘；邊牙；马路
牙子：77ie bus mounted the kerb (: went
onto the pavement/sidewalk) and
hit a tree•那辆公共汽车开上
路缘撞到了棵树
'kerb-crawling noun [U] (6r£) the crime of
driving slowly along a road in order to find a prostitute 路边
慢驶治妓（的罪行J ►’kerb-crawler/lot//?
kerb-side (6r£) (NAmE curb-side) /'k3：bsaid; NAmE 'k3：rb-/ noun [U] the side of the street or path near the kerb 乂行道靠远路缘的部分：to stand at the kerbside站 在马路牙子上.
kerb.stone (Br£) (A/Amf oifb.stone) /_k3:bstaim;
'k3：rbstoun/ noun a block of stone or
concrete in a kerb/curb路缘石
kerchief /'ksit^if; NAmE 'k3：rtXrf/ noun {old-fashioned) a square piece of
cloth worn on the head or around the neck方头巾；方围巾
ker-ffuf-fle /ka'fAfl; NAmE kar'f-/ noun [sing.] (BrE, informal) unnecessary
excitement or activity (不也要 的）骚动，混乱，喧闹BDC1 COMMOTION, FUSS kernel /'k3：nl; NAmE 'k3：rnl/ noun 1 the inner part of a
nut or seed (坚果或子粒的）仁，核 2 the central, most
important part of an idea or a subject (思想或主题 的）核心，中心，要点
kero-sene (also kero*sine) /'kerasiin/ noun [U] a type of fuel oil that
is made from petroleum and that is used in the
engines of planes and for heat and light. In British English it is usually
called paraffin when it is used for heat and light•煤油：a kerosene kimp 煤 油灯
kes-trel /'kestrel/ noun a small bird of prey (= a bird that kills other creatures for food) of the falcon family
红隼（小猛禽）
KET /ket/ noun [U] a British test, set
by the University of Cambridge, that measures a person's ability to speak and
write English as a foreign language at a basic level (the abbreviation for ‘Key
English Test’）英语入门考试 (全写为Key English Test,由英国剑桥大学命题）；剑
桥初级f语认证
keta-mine /'kiitamiin/ (also informal ket /ki:t/) noun [U] a substance that
is used as an anaesthetic, and
also as a drug that is taken illegally for pleasure 氣胺酮，K 粉
(用作麻醉剂，也用作毒品）
ketch /ketX/ noun a sailing boat with two masts .(=.posts to support the
sails)双桅帆船
ketchup
/'ketjap/
noun [U] a thick cold sauce
made from tomatoes, usually sold in bottles 番煎酱 ket-tle /'ketl/ noun a container with a lid,
handle and a spout, used for boiling water (烧水用私 V 壶，水壶： an eZectric fcettk 电水壶(8nE) put the fcetrte on (=start boiling
some water) and
make some tea:我要烧 壶水沏茶。一picture o page R巧 r»!^l see different, pot n.
kettle-drum /'ketIdrAm/ noun a large metal drum with
a round bottom and a thin plastic top that can be made looser or tighter to
produce different musical notes. A set of kettledrums is usually called timpani.定音鼓；
锅鼓一picture o page R9
Kev-lar™ /'kevla:(r)/ noun [U] an artificial
substance
used to give strength to tyres
and other rubber products凯芙拉合成纤维（用于强化轮胎等橡胶制品，| key /ki：l noun, verb, adj.
mnoun
► TOOL FOR LOCK i|:.锁,具 1 a specially shaped piece of metal used
for locking a door, starting a car, e;tc.钥匙： to fnsert/turn the fcey in the iocfc.把钥匙插入_孔；转动 锁孔中沾钥匙◊ the car fceys汽车刼匙◊ a bunch o/fceys -•串◊ the spare fcey to the
jhmt door 前门备用钥.匙
◊
have a dupHcate fcey cut (= made).我们会配一把 钥匙。一picture o padlock
►
MOST IMPORTANT THING 最重要的'}(
2
[usually sing.】〜(to sth) a thing that makes you
able to understand or achieve sth 关键；要.诀 0533
secret : 77ie fcey to success is preparation.成功的关键是准备。_◊ 77ie driver of the car probably
holds the key to solving the crime. & 位汽车，机很可能掌握破获这一罪案的关準证据。〇(«^- cially NAm£) The key
is, how long can the federal govem- ment controZ the
.in/!arion rate?关键_宇族邦政府对通货
膨胀率的控制能维持多久？
►
ON COMPUTER i| W #1 3 any of the buttons that you press to
operate a computer or typewriter
.(」:计算:fjl.或 打.字机的）键：Press the return key
to enter the informa- tion.按回车键录入信息。
►
ON MUSICAL INSTRUMENT 乐器 4
any
of the wooden or metal parts that you press to play a piano and some other
musical instruments (治琴或，貪他乐器的）键 —picture o page R8
►
MUSIC n ^ 5 a set of related
notes, based on a particular note. Pieces of music are usually written mainly
using a particular key.调：a sonata in the key 〇/£ /fat major —首降 E 大_奏鸣曲一compare scale
n.(7)
►
ANSWERS 答■案■ 6 a set of answers to
exercises or problems 答案；题解：Checfc your answers fn the fcey at the back 〇/the boofc.用书后的命答核对答案。
►
ON MAP 地阁 7 an
explanation of the symbols used on a map or plan (地图或平面图的）符号说明，图例
—see
also low-key IR71 see lock n.
■
ver* [VN] 1 〜sth (in) | ~ sth (into sth) to put informa-
tion into a computer using a
keyboard—’用邊盘输入;■键
入 EKE1 enter : Key (in) your password.用键# 输入密
码。2 to deliberately damage a car by
scratching it with a key 用钥匙划坏（汽车 > key sb/sth to
sth [usually passive] [especially NAmE) to make sb/sth suit-
able or appropriate for a particular purpose 使某人（或 某事）适合于某事 _HI3gear: The classes are keyed
to the
needs 〇/advanced students•这些课是针对高年叙学生
的需要开设的。
■
[usually before
noun] most important; essential 最重
要的;1 主鋈的;关键的 Ena
critical, vital : the key iss:ue//actor/pomt 关键问题 / 因素；要点◊ ffe was a
fc^y/?gure in the campaign.他是这场运动的关键人物。◊ She pZayed a fcey role in the dispute.她在争论中起着举足
轻重的作用。◊ ‘Caution’ is the fcey word in this situation.
在此 形之下，
caution
为关键词。 ◊
Good commu- nfcation is fcey to our success.螽#的_通是我们成功的关
键。◊ contribution
couW be fcey.他的贡故可能是最
重要的。〇 note
at main
kBy-boafd /'kiibaid;
NAmE-bo:rdl noun, verb
• noun 1 the set of keys for
operating a computer or typewriter (奸算机或打宇也的）键盘一picture o page R5 2 the set of black and
white keys on a piano or other musical instrument (.钢琴或其他乐器的J琴 键，键盘'一picture o- piano 3 an electronic musical
instrument that has keys like a piano and can be made to play in different
styles or to sound like different instruments 键盘.式 4子乐器一compare synthesizer
■
verb [VN，.V] to type information into a computer•用键盘 输入；将（信息）键入计算机►key.board.ingnown[U]
key-board-er /'ki:bo:da(r); NAmE -boird-/ noun a person whose job is
to type data into a computer 操作键盘的
人；键盘输+员
key-board-ist /'kiiboidist; NAmE -boird-/ noun a person who plays an
electronic musical instrument with a keyboard键盘（乐器）手
.keyed 'up adj. [npt before noun} nervous and excited,
especially before an important event < 尤指重要事件
，前」紧f不安，激动万分
'key grip noun the person in charge of
the camera equipment for a filmAnovie (电影制作中）贪责摄影器
材的人，
key-hole /'kiihaul; NAmE -houl/ noun the hole in a lock that
you put a key in 锁眼；钥氣孔