beam
音标发音
- 英式音标 [biːm]
- 美式音标 [biːm]
- 国际音标 [bi:m]
- 英式发音
- 美式发音
基本解释
- n. 横梁;光线;电波;船宽;[计量] 秤杆
- vt. 发送;以梁支撑;用…照射;流露
- vi. 照射;堆满笑容
- n. (Beam)人名;(阿拉伯)贝亚姆;(英)比姆
词源解说
- 直接源自古英语的beam;最初源自西日耳曼语的baumoz,意为活着的树。
词根记忆
- be + am→做我自己,成为国家的栋梁→梁
- be + am→做我自己,成为国家栋梁→梁
- be + am→做我自己,成为国家的栋梁→大梁
- be + am→做我自己,成为国家的栋梁→柱
用法辨析
- beam通常指“光束”,即从发光体向某方向射出的有一定宽度的光线,尤指定向的无线电波。
- beam的基本意思是日、月、灯塔等发出光束,引申可表示“定向发出(无线信号等)”“播送”,用于比喻可表示“面露喜色”。
- beam一般作“面露喜色”解时是不及物动词,可接介词at或on〔upon〕,表示“对…微笑”。
- beam作“播送”解时是及物动词,常用于被动结构,接介词to,表示“向…播送…”。
n. (名词)
v. (动词)
英汉例句
- Beams support the roof of a house.
横梁是用来支撑屋顶的。 - The moon is beaming overhead.
月光当头照。 - He beamed a cheerful welcome as he opened the door.
他打开门,笑笑,表示欢迎。
用作名词 (n.)
用作动词 (v.)
用作不及物动词: S+~(+A)
用作及物动词: S+~+ n./pron.
词组短语
- direct a beam at 把光束射向…
- fly the beam 按照无线电波飞行
- shine a beam at 对…射出光束
- electronic beam 电子光束,电子柱
- glorious beams 灿烂光辉
- high beam 远光
用作名词 (n.)
动词+~
形容词+~
英英字典
- (LINE) a line of light that shines from a bright object
- (WOOD) a long, thick piece of wood, metal, or concrete, especially used to support weight in a building or other structure
- (SMILE) to smile with obvious pleasure
- (SEND OUT) to send out a beam of light, an electrical or radio signal, etc.
- 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.
- A beam is a line of energy, radiation, or particles sent in a particular direction.
- If radio signals or television pictures are beamed somewhere, they are sent there by means of electronic equipment.
- A beam of light is a line of light that shines from an object such as a lamp.
- A beam is a long thick bar of wood, metal, or concrete, especially one used to support the roof of a building.
剑桥英英字典
柯林斯英英字典
专业释义
- 梁
4. Damage analysis of ordinary reinforced concrete beam.
4、普通钢筋混凝土梁的损伤分析。电子、通信与自动控制技术
- 波束
- 定向发出(无线电信号、节目等);(有针对性地)向…广播(节目):
- 束
- 光束
- 电子束
- 波注
- 射束
- 梁
Beam and plate are the basic object of the damping treatments.
梁和板为阻尼敷涂的基本对象。 - 船宽
- 横梁
- 双光束
- 束(流)
- 冷光束
- 梁
- 经轴
- 定向发出(无线电信号、节目等);(有针对性地)向…广播(节目):
- 横梁
- 波束
- 波注
- 顶梁
- 波束
- 束
- 光束
- 梁
- 横梁
- 顶梁
- 桁杆
- 梁
- 脑电位分布图