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point-source英英字典_point-source剑桥英语解释_point-source柯林斯英文解释_果味酸柯林斯词典
果味酸柯林斯词典

point-source

P 开头单词

柯林斯词典

    point source

  • 1. N a source of light or other radiation that can be considered to have negligible dimensions 点光源[optics]

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