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单词
photocell
释义
pho.to.cell
HfEJ7tEJ7sel, $5foJ7toJ-
n [C]
pho.to.el.ec.tric cell, e.lec.tric eye an electrical device which produces a current or a VOLTAGE when light shines on it
光电池
photocells are used in burglar alarms.
光电池用于防盗警报器里。
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更新时间:2026/11/9 12:48:06