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n (1) (房屋或船的)橫梁 (large long heavy piece of wood， metal， concrete， etc， usu horizontal and used to support a building， other structure， or the deck of a ship joining the sides) [C]：The carpenter was raising the roof～. 木匠在架房梁。the low oak～s 低低的橡木房梁;

(2) 天平的橫桿 (the main bar of weighing scales from which the weights are hung) [C];

(3) 光線(束) (ray or stream of light or other radiation from some bright objects) [C]：the～of the torch/the searchlight手電/探照燈的光束;A～of light/sunlight penetrated the darkness. 一束光/陽(yáng)光穿透黑暗。I could see the～of his flashlight waving around in the dark.我看得見(jiàn)他的閃光燈在黑暗中到處閃亮。a sun～陽(yáng)光(束);a～of hope (fig)一線希望;〖同〗ray，gleam;

(4) 容光，笑臉 (bright， happy look or smile)[C]：say sth with a～of pleasure/welcome/satisfaction容光煥發(fā)/笑容可掬/心滿意足地說(shuō);A～of pleasure lit up her face. 高興的笑容使她神采弈弈。

(5) (無(wú)線電或雷達(dá))波束 (series of radio or radar wave sent out to guide ships or aircraft) [C];

→′moonbeam n 月光(束);

v (1)發(fā)光(熱)((of the sun or other shining objects) give out bright light and warmth) [I]：The sun～ed in the sky/through the clouds.太陽(yáng)光在空中照耀/穿過(guò)云層照射下來(lái)。The sun was～ing brightly. 太陽(yáng)熠熠發(fā)光。A searchlight～ed in the distance.遠(yuǎn)處有探照燈光在掃射?！纪絞leam，glow，shine;

(2) 快活地微笑 (smile happily and broadly) [I， I+prep(at)]：The winner/His face～ed with satisfaction/delight/happiness. 勝利者/他的臉上綻開(kāi)了滿意/欣喜/快活的笑容。He～ed at her. 他朝她快活地微笑;〖同〗shine;

(3) 以微笑表示 (express by smiling) [T+n]：The hostess～ed a cheerful welcome as she opened the door.女主人開(kāi)門時(shí)微笑著表示熱烈歡迎。

(4) 播送 (broadcast a message， television programme， etc) [T+n， T+n+prep (to)(from)]：The news/World Cup Final was～ed from Britain to Japan.這消息/世界杯決賽由英國(guó)播送到日本。This transmitter～s radio waves all over the country. 這臺(tái)發(fā)報(bào)機(jī)把無(wú)線電訊號(hào)播往全國(guó)各地?！?pictures of a riot to the capital 把動(dòng)亂的照片發(fā)往首都