The machine directs a powerful beam at the affected part of the body.
这种机器将很强的射线对准身体感染部位。
It depends on whether the crystal can emit a powerful beam of light.
这取决于晶体是否会发射出一束强光。
The machine directs a powerful beam at the infected part of the body.
这种机器将很强的射线对准身体感染部位。
And because the beam is powerful, not all of it need be used.
而且因为射线十分强，所以我们并不需要它的全部波段。
And because the beam is powerful, not all of it need be used.
而且因为射线十分强，所以我们并不需要它的全部波段。
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