一束光的例句（一束光在句子中的用法）

• That is a pencil of rays. 那是一束光线。
• Each burst of the light cauterizes several exposed blood vessels. 每一束光可灸烧几条暴露的血管以消毒.
• A spectrum is formed by a ray of light passing through a prism. 一束光通过棱镜就会形成光谱。
• ...the reflection of a beam of light off a mirror. 一束光从镜子表面的反射