中文翻译与英英解释 | not darkened or obscured by shadow; "on the rough sea ice you may on an unshadowed day...fall over a chunk of ice that is kneehigh"- Vilhjalmur Stefansson
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例句与用法 | 1. | High - powered technology of tricolor fluorescent powder and trioxide aluminum envelope mix powder make the products effective , durable , high luminosity , long life , unshadowed , no black head phenomena , good color rendering and less eyestrain
灯管采用高性能的三基色荧光粉及三氧化铝包膜配粉技术，光效高，寿命长，无暗区，无黑头现象，显色性好，保护视力。
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