英语词汇photoperiodism怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	photoperiodism
释义	pho·to·pe·ri·od·ism /ˌfəʊtəʊˈpɪərɪədɪzəm/ n. 【生】光周期现象，光周期性(亦作 photoperiodicity)
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英汉双解词典包含548777条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。