Try to understand the italicized words in the following sentences from the context. Write the word(s) in the space given after each sentence.4. Outer space can be a dangerous place where we have to protect ourselves from the dangers of ultraviolet light. Here on earth,its atmosphere screens out most of that harmful radiation.(ultraviolet)_______
【正确答案】：light from the sun that can harm people
【题目解析】：P145
