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| NOUN |
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| /biːm/ |
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| 1 | a long thick piece of wood , metal , or concrete that supports a roof 梁；横梁 |
| a cottage with low oak beams 有低矮橡木横梁的农舍 |
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| 2 | a line of light or energy 光线；（能量）束 |
| the beam of the car headlights 汽车前灯的光束 |
| a laser beam 激光束 |
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| 3 | a wide happy smile 灿烂的笑容；喜色 |
| A beam of happiness spread over her face. 她脸上露出幸福的笑容。 |
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| 4 | a wooden bar used for physical exercise in a gym （体操的）平衡木 |
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| 5 | the widest part of a ship from one side to the other 船宽 |
| PHRASE |
| - | off beam BRITISH
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| wrong or not accurate |
| 错的；不准确的 |
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| Rumours about his resignation are way off beam. 关于他要辞职的谣传完全是捕风捉影。 |
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