n (1)屏风，幕，帘，挡板(light，upright，moveable framework used to separate one thing from another，esp to hide sth or protect sb from sth dangerous or unpleasant)[C]：a folding～折叠式屏风;an Oriental～东方式屏风;change clothes/get undressed behind a～在屏风后换衣服/脱衣服;keep sth behind a～在屏风后放东西;pull～s round the patient's bed 在病人床的周围拉上帘帐;put～in front of the fire在炉火前方放置挡板;〖同〗curtain;

(2)掩护(蔽)物(anything that serves to protect，shelter or hide)[C]：under cover of a smoke-～在烟幕的掩护下;hide behind a～of bushes/trees/pines 隐蔽在灌木/树木/松树之后;hide behind a～of ivy across the window藏在窗前的长春藤之后;use a blanket as a～for keeping the wind off 用一条毯子挡风;a～for criminal/spying activities 进行犯罪/间谍活动的掩护;His job was a～for his illegal activities.他以工作为掩护，进行非法活动;The dense fog acted as a～for the smugglers.浓雾为走私分子提供了掩护。〖同〗cover，protection;

(3)电影，影视(业)(cinema or film business)[U，the～]：write for the～为电影写对白;adapt a play for the～把戏剧改写为电影;bring a story to the～把故事搬上银幕;make several films for both the big and small～制作几部影视剧;a star of stage and～舞台和电影明星;a～actor/star/writer 电影演员/电影明星/电影剧本作家;a～test试镜;～performance上演;〖同〗movie，film;

(4)(电影院的)银幕，(电视机、计算机等的)荧光屏(flat surface in a cinema or on a television or computer monitor on which picture or words are shown)[C]：a cinema～电影银幕;a computer/television/radar～计算机/电视/雷达屏幕;appear on the～在银幕上出现;see sb on the～在银幕上看见某人;show pictures on the～放映电影;put up the～in the corner of the room在室内墙角处立起一屏幕;Cinemas have very large，wide～s.影院设有巨幅宽银幕。Our television has a 32-inch～.我们有一台32英寸(屏幕)电视机。

(5)纱窗(门)，筛子(frame of wire net with very small holes which allows air but not insets to move through it，or is used for separat-ing coal，gravel，etc by passing through it)[C]：a door-/window-～纱门/窗;～s on the windows 窗上的纱扇;close the～s 关上纱窗;The～door sprang shut.纱门砰地关上了。sift sand through a～用筛子筛沙子;〖同〗filter;

vt(1)掩蔽(藏)，隔开(hide，protect or shelter with a screen)[T+n，T+n+prep (from/aganst)，T+n+adv (off)，T+n+adv (off)prep(from)]：the trees～ing the house遮蔽住这座房子的树木;the shrubbery～ing all of us掩护我们大家的灌木;the dense forest that～s enemy's movements.遮蔽敌人行动的密林;The father moved in front of his daughter trying to～her. 父亲挪到了女儿的前面想掩护她。～one's face from the fire with a fan用扇子掩面以避火烤;～one's eyes from light with one's hand 用手挡在眼前以避亮光;Use a hand to～the lens of your camera from direct sunlight.用手遮住相机镜头，不受阳光直接照射。The tall grass～ed him from view. 深草遮掩住了他。The big wall～ed us against the wind. 大墙使我们免遭风吹。～off part of the room and use it as a temporary office把房间隔开一部分，用作临时办公室;He was～ed off from his men by the mountains.大山把他和他手下的人隔开了。〖同〗shade，conceal，hide;

(2)包庇，保(袒)护(keep sb safe from punishment，blame，etc)[T+n，T+n+prep(from)]：～one's guilty son包庇犯罪的儿子;～the bandits保护一伙土匪;be willing to～one's old friend from blame愿意保护老朋友不遭责怪;～one's father from police investigation保护父亲逃避警察调查;Parents can't～their children from real life for ever.(fig)父母不能总护着孩子，不让他们接触实际生活。〖同〗defend;

(3)审查，筛查，测试(examine or test sb to find out if there is sth wrong)[T+n，T+n+prep (for)]：～job applicants/sb's application/government employees/several hundred people审查求职人员/某人申请/政府雇员/几百人;He was well～ed before he took the job. 他经严格的筛查后才得到这份工作。All women over 50 should be～ed for breast cancer. 所有50岁以上的妇女应做乳腺癌检查。〖同〗examine，test;

(4)放映(电影)，播放(节目)(show in a cinema or on television)[T+n，通常pass]：The film will be～ed next week. 这部影片下周上映。His new movie will be～ed nationwide .他的新作向全国推出。This program will be soon～ed nationwide. 这个节目很快向全国播放。They will～an abbreviated version of the book at 8 pm.他们晚上8点放映该书的缩写本电影。〖同〗show，present;

(5)装纱门(窗)，筛(煤等)(provide or pass sth with a screen)[T+n]：～the windows给这些窗子装纱窗;～coal/sand/gravel筛煤/沙子/砾石;〖同〗separate;

→′screening n 电影放映;′screenplay n 电影剧本;′sunscreen n 防晒剂