| 单词 | troffer |
| 释义 | troffer trof.fer AHD: [tr¼f“…r, trô“f…r] D.J. [6trKf*, 6tr%8f*]K.K. [6tr$f+, 6tr%f+]n.（名词）An inverted, usually metal trough suspended from a ceiling as a fixture for fluorescent lighting tubes.槽形支架：一种通常是金属制成的，从天花板上垂下用作普通荧光照明管的支架的反转槽语源:Alteration of trough trough的变化 |
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