He struck the beam with his head.

他的头撞到梁上了。

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She froze when the beam of the flashlight struck her.

当手电筒的光柱照到她时，她呆住了。

《柯林斯英汉双解大词典》

The researchers then narrowed down the X-ray beam so that it was just a tenth of a millimetre across and found that the fractal-like regions occurred only where the beam struck the sample.

研究人员随后将X射线的光束收窄，使其只有十分之一毫米宽，这时他们发现，碎片形的区域只出现在射线照射的地方。

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The victim, 64, who does not want to be named, was manoeuvring a crane when its hook struck the unsecured beam, sending it toppling on to him.

BBC: Steel beam

When this beam struck a target of erbium deuteride, the team detected neutrons coming from the target with precisely the energy expected if they were generated by the nuclear fusion of two deuterium nuclei.

BBC: NEWS | Science/Nature | Table-top fusion 'demonstrated'

In January, she was vaulting in their unique facility when she drifted left, missed the pad and struck her left hip on a steel support beam.

WSJ: Suhr relishes breaking indoor pole vault mark