英语单词 | beam |
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英美音标 | 英 [biːm] 美 [biːm] |
中文释义 | vi.微笑;发光 vt.播送;发射;用梁支撑 n.桁条;光线;(光线的)束;(横)梁 |
英语例句 | (1) She beamed at me. (2) His face(He) is beaming with delight. (3) From a sky of untarnished blue the sun beamed down upon Beijing. (4) Television began beaming the national nominating conventions into the homes of Americans. (5) This is a programme beamed at Japan. (6) I beamed my flashlight into the corner and saw a mouse. (7) The transmitter will be beamed at Africa. (8) A rotary table helps to optimize the beam incidence angle. (9) A through beam illuminated the dark road ahead. (10) A ns pulse beam device is installed at pulse beam current piping. (11) He struck the beam with his head. (12) If you hit your head on that beam,you'll know it. |
中文例句 | (1) 她对我微笑。 (2) 他高兴得笑容满面。 (3) 阳光透过万里碧空照耀着北京城。 (4) 电视开始向美国家庭播放总统候选人全国提名大会的情况。 (5) 这是对日本广播的节目。 (6) 我把手电照向墙角,看见一只老鼠。 (7) 这台发射机将用于对非洲广播。 (8) 一张旋转的桌子有助于将光线影响之方式角最佳化。 (9) 一束透射光照亮了前方黑暗的道路。 (10) 在脉冲束流管道上安装有强流毫微秒脉冲化聚束装置。 (11) 他的头撞到梁上了。 (12) 头要是撞到梁上去了,就有你的好受。 |
vocabulary简明 | A beam is a long board that's used to hold up a roof or doorway. The beams in your kitchen ceiling help support the upstairs floor just above it. |
vocabulary扩展 | In construction, beams are made of wood or metal and are used to frame a building and provide structure. In gymnastics, a beam is used for balancing and doing tricks on. If someone comments that you're getting "broad in the beam," they're disparaging the width of your body, especially your hips. In Old English, a beam first meant a tree, and later a rafter or a ship's timber. |
柯林斯解释 | 1 [VERB 动词]眉开眼笑;笑容满面 If you say that someone is beaming, you mean that they have a big smile on their face because they are happy, pleased, or proud about something. [V [V with quote] [V-ing] [WRITTEN 笔语]
2 [N-COUNT 可数名词](能量、放射线或粒子的)束,柱 A beam is a line of energy, radiation, or particles sent in a particular direction. [usu n N]
3 [V-ERG 及物/不及物动词](通过电子设备)发送,发射 If something beams radio signals or television pictures or they are beamed somewhere, they are sent there by means of electronic equipment. [ [V prep/adv] [V n prep/adv]
4 [N-COUNT 可数名词](光)束;(光)线 A beam of light is a line of light that shines from an object such as a lamp. [usu N 5 [VERB 动词]照耀;照射 If something such as the sun or a lamp beams down, it sends light to a place and shines on it. [V adv/prep]
6 [N-COUNT 可数名词]梁;横梁 A beam is a long thick bar of wood, metal, or concrete, especially one used to support the roof of a building.
7 [N-SING 单数名词](体操中的)平衡木 In gymnastics, the beam is a piece of equipment that consists of a narrow wooden bar on which gymnasts balance and perform movements. [usu 8 See also:off-beam ; |
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