| 词汇 | photoelectric cell |
| 释义 | photoelectric cellElectrical, Electricity ˌphotoelectric ˈcell noun [countableC] 1. TEEan electronic instrument that changes light into electricity 光电池 2. TEESCCan electronic instrument that uses light to start an electrical effect, often used in burglar alarms 光电感应器〔把光信号转换成电信号，常用于防盗警报器〕 |
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