
好词典

源自古英语 'bēam',意为'树'或'梁',与德语 'Baum'(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.”
(老房子里的木梁依然很坚固。)
“They used steel beams to construct the bridge.”
(他们用钢梁建造这座桥。)
❶ 指光线或辐射的集中束,如阳光、激光或无线电波。
“The laser beam was used to cut through metal.”
(激光束被用来切割金属。)
“A beam of hope shone through the difficult times.”
(一束希望之光穿透了困难时期。)
❶ 指发出光线或信号,通常用于描述光源或无线电波的传播。
“The lighthouse beams its light across the sea.”
(灯塔的光束照射在海面上。)
“Her face beamed with happiness.”
(她的脸上洋溢着幸福的笑容。)
on the beam — 表示某事物是正确的、准确的或符合预期的,常用于口语中。
“Your answer is right on the beam.”
(你的回答完全正确。)
off the beam — 表示某事物是错误的、偏离目标的或不符合预期的。
“His theory is completely off the beam.”
(他的理论完全偏离了方向。)