
好词典

源自古英语 'bēam',意为'树'或'横梁',与古高地德语 'boum'(树)同源。
❶ 指长而坚固的木材或金属横梁,用于支撑建筑物或桥梁的结构。
“The wooden beams in the old house were still strong.”
(老房子里的木梁仍然很坚固。)
“They used steel beams to build the bridge.”
(他们用钢梁建造了这座桥。)
❶ 指光线或辐射的集中束,如阳光、激光或无线电波。
“The morning sun cast golden beams through the window.”
(早晨的阳光透过窗户洒下金色的光束。)
“The lighthouse sent out powerful beams to guide ships.”
(灯塔发出强大的光束为船只导航。)
❶ 指发出光线或辐射,通常用于描述光源或信号传输。
“The sun beamed down on the beach.”
(阳光洒在海滩上。)
“Her face beamed with happiness.”
(她的脸上洋溢着幸福的笑容。)
on the beam — 表示某事正确或准确,常用于口语中形容某人思路清晰或行为得当。
“His analysis was right on the beam.”
(他的分析非常准确。)
off the beam — 表示某事不正确或偏离目标,常用于形容某人思路混乱或行为不当。
“Her argument was completely off the beam.”
(她的论点完全偏离了主题。)