1 a line of light 光线;光束:
the beam of a torch手电筒的光线The car's headlights were on full beam (= giving the most light possible and not directed downwards).汽车车头灯直射前方。a laser beam一束激光
2 a long piece of wood, metal, etc that is used to support weight, for example in the floor or ceiling of a building 梁;桁条
3 a happy smile 粲然一笑
beam²
/bi:m ||; bim/verb
1 [I] beam (at sb/sth) to smile happily 愉快地微笑:
I looked at Sam and he beamed back at me.我望着萨姆,他朝我笑笑。
2 [T] to send out radio or television signals 发出(无线电或电视)信号:
The programme was beamed live by satellite to many different countries.那个节目通过恒星向许多国家作现场转播。
3 [I] to send out light and warmth 发出光和热:
The sun beamed down on them.太阳照射着他们。
beam1/bim; biːm/n [C] 1 a line of light or energy〔光或能量的〕束﹐柱: +of the beam of the flashlight 手电筒的光束a laser beam 激光束2 a long piece of wood or metal used in building houses, bridges etc〔房屋﹑桥梁等的〕梁3 a big happy smile 喜色﹐笑容see box at见 SMILE1 方框
beam2v 1 [I] to smile very happily 眉开眼笑﹐面露喜色: +at Grandad beamed at us proudly. 祖父自豪地对我们微笑。2 [T] to send a radio or television signal 发射﹐播送〔无线电或电视信号〕: beam sth across/up/to etc sth News from any part of the world can be beamed to us by satellite . 世界上任何一个地方的新闻都可以通过卫星传送到我们这儿。
beambeambeamsbeamedbeaming2verb (beams, beaming, beamed)to have a big happy smile on your facebeambeambeamsbeamedbeaming1noun1a line of light: a laser beam2a long heavy piece of wood that holds up a roof or ceiling