UV rays are invisible and can't be felt on the skin but can damage skin cells leading to sunburn and an increased risk of skin cancer.
紫外线是不可见的并且皮肤也感觉不到，但是它能损伤皮肤细胞而造成晒伤，患上皮肤癌的风险也会增加。
The plastic material uses nanotechnology and contains the first solar cells able to harness the sun's invisible, infrared rays.
第一代太阳能电池中的塑料材料采用纳米技术，它能够利用太阳能谱中不可见的红外线。
The plastic material uses nanotechnology and contains the first solar cells able to harness the sun's invisible, infrared rays.
第一代太阳能电池中的塑料材料采用纳米技术，它能够利用太阳能谱中不可见的红外线。
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