Sunlight is composed of electromagnetic waves and is our primary source of ultraviolet radiation, which has a shorter wavelength than visible light and carries more energy.
太阳光是由电磁波组成的,也是我们接收到的紫外线的主要来源,它有相较可见光更短的波长 也带有更多的能量。
单词 | source of ultraviolet |
释义 |
source of ultraviolet
原声例句
双语版 TED-Ed 演讲精选 Sunlight is composed of electromagnetic waves and is our primary source of ultraviolet radiation, which has a shorter wavelength than visible light and carries more energy. 太阳光是由电磁波组成的,也是我们接收到的紫外线的主要来源,它有相较可见光更短的波长 也带有更多的能量。 |
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