nigrescence [nai'gresns]
- nigrescence的基本解释
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n.
变黑, 发黑
- 更多网络例句与nigrescence相关的网络例句 [注：此内容来源于网络，仅供参考]
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People can feel nigrescence but it's not obvious.
能感到变黑的感觉，但不是很明显。
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The silver accessories nigrescence changes yellow is the normal natural phenomenon, because in the air and other natural medium's sulfur and the oxide compound and so on have certain corrosive action to the silver, after wearing period of time, will present some small spots, the long time will proliferate Large expanse, will turn the black.
银饰品变黑变黄是正常的自然现象，因空气和其它自然介质中的硫和氧化物等对银都有一定的腐蚀作用，在佩戴一段时间后，就会出现一些微小的斑点，久之会扩散成片，甚至变成黑色。
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The new generation of steam bluing furnace our company developed thoroughly changed the chemistry bluing,nigrescence and the bad environment pollution, to make a significant contribution for energy-saving and environmental protection.
同时我公司制造的高温台车式电阻炉，是国家专利电炉产品，专利号：200520096582.4，是同类型台车式电阻炉中的高节能高技术产品。
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Beishan river is one of the most serious contaminated river which is nigrescence and effluvium and the COD is between 800 mg/L and 2000 mg/L.
北山河是温州黑臭极其严重的河流之一，河水发黑，具恶臭， CODCr 高达800-2000mg/L ，治理难度极大。
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The red cloud nigrescence cloud, must have the heavy rain to drench.
红云变黑云，必有大雨淋。
- 加载更多网络例句 (15)
- 更多网络解释与nigrescence相关的网络解释 [注：此内容来源于网络，仅供参考]
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nigrescence：变黑
nighty-night 晚安 | nigrescence 变黑 | nigrescent 发黑的
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nigrescence：变黑/发黑
nigrescent 发黑的 | nigrescence 变黑,发黑 | denigrate 污蔑,诽谤
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nigrescence：发黑
nigration 移动试验 | nigrescence 发黑 | nigrescent 发黑的