good things to happen盲目乐观的人；无忧无虑的人
From
the name of a character created by the
polo /’paolau; /SWwf -poulou/ /701//7 [U] a game in which two teams of players
riding on horses try to hit a ball into a goal using long wooden hammers
(called mallets),马球（运动）_ picture o page R31 —see also WATER POLO
pol-on-aise /.pDla'neiz; NAmE ,pa:l-/ noun a slow Polish dance
that was popular in the 19th century; a piece of music for this dance波洛内兹舞（盛行手19世点的波兰
慢步舞）；波洛内兹舞曲
'polo neck (8/-£) [NAmE turtle-neck) noun a high round collar made when the neck of a piece of
clothing is folded over; a piece of clothing witii a polo neck 高圆 翻领；高圆翻_衣服：Vou can wear a poio
necfc with that jacket.你可以穿件高圆翻领衫配那件外衣。◊ a poZo~necfc
sweater 高翻领套衫一picture o page R22 po-lo-nium /pa'launiam; NAmE-lou-/ noun [V] [symb Po) a chemical element. Polonium is a radioactive metal that is present in
nature when uranium decays. ♦卜（放
射性化$元素）
'polo shirt noun an informal shirt
with short sleeves, a collar and
a few buttons at the neck 马球衫（开领短 袖）_ — picture o page R22
pol-ter-geist /'paultagaist; 'pdI-; NAmE 'poultarg-/ 7701//7 a ghost that makes loud noises and throws
objects 促 狭鬼（有时发怪声、乱扔东西.） pol-troon /pDl'trurn; NAmE pail't-/ noun {old use, disapproving) a coward (= a person who lacks courage)
fli 小鬼；懦夫\
poly /'puli; NAmE 'pa:li/ noun [pi. polys) {BrE, informal)
=POLYTECHNIC
poly- /'poli; NAmE 'pa:li/ combining form (in nouns, adjectives
and adverbs构成名词，形容词和副词）many 多;复：poZygamy —夫多—◊ poMhonic 复ijf 的 poiy-an-dry /.pDli'aendri; NAmE ,pa:l-/ noun [u]. [technical 术语）the custom of having
more than one husband at the same time —妻多;朱■(制）一compare polygamy ► poly-an-drous /.pDli'aendras; NAmE ,pa:l-/ adj. poly-an-thus /.pDli'aenGas; NAmE ,pa:l-/ noun [C, U] a small garden
plant with round brightly coloured flowers, several of which grow at the end of
each stem 西洋櫻草（矮小花园植物，开鲜艳圆形花h : poly-car-bon-ate /.pDli'kaibanat; NAmE ,pa:li'ka:rb-/ noun [U, C] {technical t|<: i§) a very strong
transparent plastic used, for example, in windows and lenses 聚碳 酸酯（坚硬透明塑料，用于窗子和镜头等） poly-clinic /'pDliklmik; NAmE 'pail-/ noun {BrE) a medical centre that
is not part of a hospital, where both general doctors and specialists work 综合诊所；综
合诊疗中心
poly-cot-ton /'pDlikDtn; NAmE 'pa:lika:tn/
noun [U] (Br£) a type of
cloth made from a mixture of cotton and POLYESTER涤棉混纺面料；涤棉布；混纺棉
poly-es-ter
/,pDli'esta{r);
NAmE,'pailiestar/ noun [U] a strong material made
of fibres (called polyesters)
which are produced by chemical processes, often mixed with other materials and
used especially for making clothes 聚醋纤维；漆论：a cotton and polyester
shirt 涤棉混纺衬衫
poly-ethyl-ene /.pDli'eOaliin; NAmE ,pa:l-/ noun [u]
{
pol-yg*amy /pa'ligami/ noun [u] (technical ^ i§) the custom of
having more than one wife at the same time —*夫多妻（制）一compare polyandry
►
pol-yg-am-ist
/pe'ligamist/
noun pol-yg-am-ous /pe'ligamas/ adj. ： a poiygamous
marrfage/society —夫_妻制婚姻 / 社会 poly glot /'pDliglut; NAmE 'pa:ligla:t/ adj. {formal) knowing, using or
written in more than one language 通晓（或使用）多种语言的；用多种语言写成的SE3 multilingual ： a jooZygZot nation 多语种民族► polyglot /701//7
1533 polytunnel
poly.gon
/’pDligan;
_pa:liga:n/ now/? (geomef〇/ 几何） a flat shape with at
least three straight sides and angles, and usually five or more 多边形；多角形►_p〇l- yg-on-al /pa'liganl/ adj.
poly-graph
/'poligraef;
NAmE 'pa:li-; BrE
also -gra:f/ noun [technical = lie detector poly-he-dron /.pDli'hirdran;
-'hed-; NAmE ,pa:li-/ noun {pi. poly-he-dra /-'hiidra; -'hed-/ or poly-he-drons) (geom- efAy 几.何）a solid shape with
many flat sides, usually more than six多面体（通常指多于六面）► poly.he.dral
adj.
poly math /'pDlimaeB; NAmE 'pa:l-/ noun
{formal, approving) a person who knows a lot about many di#erent
subjects博学家；博学大师
poly-mer
/'pDlim0(r); NAmE 'pa:l-/ noun
{chemistry Vc) a natural or artificial substance consisting of large molecules (=■ groups of atoms)
that are made from combinations of small simple molecules 聚合物；多
聚体
poly-mer-ize (Srf also -ise) /'pDlimaraiz; NAmE 'pa:li-/ verfc [V，VN] (diem/sfry 化)to combine，or to make units of a
chemical combine, to make a polymer (使）聚 合：The substance
polymerizes to form a hard plastic. 这种物质聚合形成坚硬的塑料。► polymerization /.pDlimarai'zeiJn;
NAmE ,pa:li-/ noun
[Uj poly-morph-ous /.pDli'moifes; NAmE .paili'moirfas/ (also poly-morph-ic /-fik/) adj. {formal or technical having or
passing through many stages of development (发展）呈多种形式的，多态的
polyp
/'pnlip;
NAmE 'parlip/
noun 1 {medical E) a small lump that grows inside the
body, especially in the nose, that is caused by disease but is usually harmless
息肉；
(尤指）鼻息肉 2 a small and very simple sea creature with a body
shaped like a tube (水媳型）珊瑚虫；水
螅虫
pol-yph-ony /pa'lifani/ noun [U] (music
the combination of several different patterns of musical notes sung
together to. form a single piece of music 复调音乐；复 调乐曲 HTTi counterpoint ► poly-phon.ic
/_pr>li'fr)mk;
NAmE ,pa:li'fa:nik/ adj.
poly-pro-pyl-ene
/.pDli'praupaliin;
NAmE ,pa:li'prou-/ noun
[U] a strong plastic often used for objects such as toys or chairs that are
made in a mould 聚丙燦 poly-sem-ous /.pDli'siimas; NAmE ,pa:l-/ adj.
{linguistics 语言）（of a word 词）having more than one
meaning (一词）多义的
poly.semy /pa'lisimi/ /?〇(v/7 [u] 谱言).the fact
of having more than one
meaning (一词）多义；多义
性；多义现象
poly-styrene
/,pDli'stairi:n;
NAmE ,pa:l-/ (also Styrofoam™ especially in NAm£) noun [U] a very light
soft plastic that is usually white, used especially for making containers that
prevent heat loss 聚苯乙烯：polystyrene cups聚苯乙烯杯子
poly-syMable /'pDlisilabl; NAmE 'pa:l-/ noun
{technical 术语）a word of several
(usually more than three) syllables 多音节词►
poly‘syl.lab.ic /.pDlisi'laebik; AWwf ,pa:l-/ adj.
poly.tech.nic
/.pDli'tekmk;
NAmE ,pa:l-/ (also BrE informal poly) noun (in
poly-the-ism /'pDliOiizam; NAmE 'pa:l-/ noun
[U] the belief that there is more than one god 多神论；多#信仰 —compare monotheism ►
poly.the.is.tic /,pi)li0i‘istik; NAmE ,pa:l-/ adj.
poiy-thene
/'pDli0i:n;
NAmE 'pa:l-/ [BrE)
{NAmE poly-
ethyl-ene) noun [U] a strong thin plastic material,
used especially for making bags or for wrapping things in 聚乙烯：a pdythene bag聚乙烯袋 poly*tun nel /'politAnl; NAmE 'pail-/ noun
a long low structure covered with plastic used for growing seeds or young
plants outdoors塑料大棚；塑料暖房