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单词 photoelectric cell
释义
photoelectric cell
NOUN  C   
/ˌfəʊtəʊɪˌlektrɪk ˈsel/
1 a piece of equipment that reacts to light and is used in machines such as burglar alarms (= machines that make a loud noise if a thief tries to get into a building) (用于防盗报警器等中的)光电管,电眼
2 a piece of equipment that changes light from the sun into electricity 光电池
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更新时间:2024/12/30 10:51:22