beam [bi:m]
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基本释义
n.横梁;光束;vi.发光,发热
英英释义
a line of light that shines from a bright object
参考例句
The load on this beam is more than it will bear. 横梁上的负荷比它能承受的要大得多。
I could see the beam of his flashlight waving around in the dark. 我可以看到他的手电筒光在黑暗中上下舞动。
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