'plumb line noun a piece of thick string with a weight attached to one end, used to find the depth of water or to test whether a wall, etc. is straight (测水深或垂直面

用的)重锤线,铅垂线

plume /plurm/ noun 1 a cloud of sth that rises and curves upwards in the air 飘升之物a plume of smoke 一缕青烟 2 a large feather 领;羽毛a hat with an ostrich pume装着一根鸵鸟羽毛的黑帽子3 a group of feathers or long thin pieces of material tied together and often used as a decoration (常用作饰物的)連在 的羽毛,羽状物;羽饰 see also NOM DE PLUME plumed /'pluimd/ adj. having or decorated with a plume or plumes有羽毛的;用羽毛装饰的a pZumed hdmet —副羽饰头运

plum-met /'plAmit/ verb [V] to fall suddenly and quickly from a high level or position 暴跌;速降 K771 plunge Share prices plummeted to an all-time low. IS; 票价格暴跌到历史最低点Her spirits plummeted at the thought / meeting him again. 想到又要见到他, 她的心情便直连下诉◊ TTie jet plummeted into a row / hoi/ses.那架喷气式飞机一头栽进一排房子里。 plummy /'plAmi/ adj. 1 {BrE, informal, usually disap- praW/ig) (of a voice 嗓音having a sound that is typical of upper-class English people 拿腔拿调的;做作舍a pZummy accent —副矫揉邊作私腔调 2 like a plum in colour, taste, etc.(fe)镡梅子的 plump /plAmp/ adj., verb

madj. (plump-er, plump-est) 1 having a soft, round body; slightly fat 丰担的;微胖的a s/iort, pZump woman 个矮胖的女人◊ apZump/ace饱满的面i 2 looking softfull and attractive to use or eat 也软故羊群的;饱满 的pZump cushfons 松软的_垫子◊ phxmp to/natoes.滚圆 ,的番前► plump-ness /7w/? [U]

                  verb [VN] ~ sth (up) to make sth larger, softer and rounder使变大;後更软;使更圆ffe Zeaned/orvrard whe the nurse /dumped up his piHows.他桂前.喊了够身 子,+让护士把头 =拍松了。plump for sb/sth

"(informal) to choose sb/sth from a number of people or things/ especially after thinking carefully i 地选; 筛选

,plum 'pudding noun [\J, C] [old-fashioned, Br£) =Christmas pudding

,plum to'mato noun an Italian tomato that is long and thinrather than round (意大利)李形畚茄 plun-der /'plAnda(r)/ verb, noun

                  verfc to steal things from a place, especially using force during a time of war (尤指战乱时甩武力)抢劫,掠夺 PCTTl loot [V] The troops crossed the country, plunder- • cmcHooting 5 they went.部队经过乡村,一抢劫掳

[VN] The abbey had. been plundered of its valuables. '.院的珍宝被洗劫一空。compare pillage ,► pun- der-er noun

                  noun [U] 1 the act of plundering 抢掠;掠夺 2 things that have been stolen, especially during a war, etc. ( X 指战争中)掠夺的财物一compare pillage

plunge /plAnd3/ verb, noun

                  verb 1 [+adv./prep.] to move or make sb/sth move suddenly forwards and/or downwards使矣然前冲(或 .下落.[V] She Zost her balance andpiunged 200/eet to her death.她决有站稳,从100英尺的高处跌下摔死了。

[VN] The earthquake plunged entire towns over the edge /the df.地震将整座整座的^城镇掀到悬崖之下。2{V]

(of prices, temper'aturesetc.价格、温度等to decrease suddenly and quickly i跌;_降;突降 plum- met Stock markets plunged at the news of the coup.变昀消息一传来,股票市场便暴跌。3[V+Mv./p/^p.](of a road, surface, etc.道路、.表面等to slope down steeply 陡蜎地南下倾斜:The track plunged down into the vaHey.小路 M T,直插山谷:4 [V] to move up and down suddenly and Wolently (剧烈')颠簸,震荡

77ie horse pim$ed and reared.爲猛&藏起M M ^ o (figurative) His heart plunged (= because of a strong emotion)他的心评枰乱跳。plunge 'in |

,plunge into sth 1 to jump into sth, especially with force (尤指用力地投入®进:77ie ^oot was'dedared open and eager swimmers pZunged in.游泳池刚刚宣布 弁门,游泳的人就急切地跳入池中2 to start doing sth in an enthusiastic way, especially without thinking

carefully about what you are doing 热情投入;贸■然 行动:She was about to plunge into her story when the phone rang.她刚要开始太谈她的经历,电话响了He's always plunging in at the deep end. (= becoming involved in difficult situations without being well enough prepared).他总是贸然行劫,屡屡巻入困境。 .plunge sth in | ,plunge sth 'into sth to push sth quickly and with force .into sth else 猛力插入;扎进: Shepu/iged the fcn deep into his chest.她把刀丰深深 地刺进他的胸膛。,Punge 'into sth 1 = plunge in 2 to experience sth unpleasant 1历,陷入’(不快的 事TTie country pZimged deeper into recession•那个 _家进一步陷入逄挵秦条之中。,plunge sb/sth ’into sth to make sb/sth experience sth unpleasant 使经历,使陷 入;不快的事情 > :TTie news   them into deep

depression.这条消息立即使他们深感沮丧o There was a flash of lightning and the house was plunged into darkness.雷电闪过,房子陷久一片黑暗之中。

noun [usually sing.] 1 a sudden movement downwards or away from sth突然跌落;突然分离EEC] drop: The calm water ends there and the river begins a headlong PZung(平静的河水突然中断,〃:开始奔腾直泻而下。

2 (in sth) a sudden decrease in an amount or the value of sth (价格、数量的)暴跌,猛降,骤减S33 drop a dramatic phmge.in promts 润锐减 3 ~ into sth the act of becoming involved in a situation or activity 卷入.;参与The company is pkmning a deeper pZunge into the commercial market•这家公訇正计划通一 步投入商业市场4 an act of jumping or diving into water; a quick swim 跳水;快速.泳:He took the plunge into the deep end.         0 She went for

a pZunge.她去游泳 jtake the plunge {informal) to decide to do sth important or difficult, especially after thinking about it for a long time (尤指深思熟虑 后,果断行事,.作出决定

'plunge pool noun a small deep artificial pool filled with cold water, especially one that you jump into in order to get cooler after a sauna T尤指洗完桑拿浴跳

入的水池

plun-ger /'plAnd3a(r)/ noun 1 a part of a piece of equip- ment that can be pushed down 柱塞;活picture c> CAFETiiRE,laboratory 2 a piece of equipment used for clearing kitchen and bathroom pipes, that consists of a rubber cup fixed to a handle (命齑管道用')搋午 plun.ging /.plAnd3ii]/ 〇办(of a dress, blouse, etc•连衣 裙、女衬衫等cut in a deep V shape at the ront 低知 命;印鈿沾;瀹开领的aphmging necWine深幵式C3 plunk /plArjk/ verb [VN] (informal) 1 [+adv./prep.] [NAm£) =plonk v. He plunked the package down on the desk. 他把包裹砰_撂到桌子上2 to play a guitara keyboard, etc. with your fingers and produce a rough unpleasant sound弹拨,刮奏.吉他、琴键等.plunk noun the jpZi/成 piunfc / tAe banjo i■琴略终私弦声 plunk down sth to pay money for sth, espe- cially a large amount重金买下;付钱买 plu-perfect /.plui'parfikt; NAmE -'p3rf-/ noun {grammar 语由=PAST PERFECT plural /'pluaral; 'plural/ noun, adj. m noun (grammar i§'^) {abbr. pi.) a form of a noun or verb that refers to more than one person or thing (:.名词或 动词的 > 复数,复数形式The / chiW is

cMdren’. * child —词的复数形式是 children。◊ The verb shou〖d be m the pZura!.迻个&词应该用复数形式。 —compare singular n.

m adj. 1 {grammar   {abbr. pi.) connected with or

having the plural form 叙数的;复数形式的Most ■pZuraZ nouns in Engfch     ‘s•英语屮多数复数名词以

s 结尾。2 relating to more than one 多样的;.多元的: a plural society (= one with more than one racial, reli­gious, etc. group)

plur-al-ism /'pluaralizam; NAmE 'plur-/ noun [li] (formal) 1 the existence of many different groups of people in one society, for example people of different races or of different political or religious beliefs 元化,爹元■性 (不同种族、不同政治或宗@信仰的多种群体共存cuZtumZ pZurafcm 文化的多元性 2 the belief that it is possible and good for different groups of people to live