网络释义专业释义英英释义
另外，纳米级的银颗粒具有较强的光催化能力，能够激活水和空气中的氧，产生羟基自由基(.OH)及负氧离子(O-2)，它们能使细菌中的蛋白质、不饱和脂肪酸、糖苷等与之发生反应，破坏其正常结构，从而使细菌死亡或丧失增殖能力。
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AstroJina的星座世界 ... 田纳西州(东部)(TN Tennessee)(E), 俄亥俄州(OH Ohio), 宾夕法尼亚州(PA Pennsylvania), ...
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...氧化性极强：半导体光催化具有氧化性极强的特色，对臭气难以氧化的某些有机物如三氯甲烷、四氯化碳、六氯苯都能有用的加以氧化分解，最终复原成H2O和CO2，所以对难以降解的有机物具有格外的含义，光催化的有用氧化剂是氢氧自由基（OH-），（OH-）的氧化性高于常见的臭氧、双氧水、高锰酸钾、次氯酸等。
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OH [ əu ]
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n.
a midwestern state in north central United States in the Great Lakes region
同义词： Ohio Buckeye State
以上来源于: WordNet
柯林斯英汉双解大词典
oh /əʊ/ TEM4
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1.
CONVENTION You use oh to introduce a response or a comment on something that has just been said. (引出答话、评语) 哦 [口语]
例："Had you seen the car before?"—"Oh yes, it was always in the driveway."
“你以前见过这辆车吗？” — “哦，见过。它总在车道上。”
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2.
INTERJ You use oh to express a feeling such as surprise, pain, annoyance, or happiness. (表达情绪) 哎呀 [口语]
例："Oh!" Kenny blinked. "Has everyone gone?"
“哎呀！”肯尼眨了眨眼，“大家都走了吗？”
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3.
CONVENTION You use oh when you are hesitating while speaking, for example, because you are trying to estimate something, or because you are searching for the right word. (表示犹豫) 呃 [口语]
例：I've been here, oh, since the end of June.
我是，呃，从6月底到这儿来的。
双语例句原声例句权威例句
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"Let me get back to you on that. Oh,oh,oh -- in college, the boyfriend who absolutely forgot Valentine's Day.
VOA: special.2010.02.08
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They sit in rows just as they would in the airplane and they say, "Oh, when are we gonna be in Japan?"
他们像在飞机上一样坐成排,然后说：,“我们什么时候到日本？“
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and then one day I'll be like, "Oh, I want to dress like a clown today, so I will."
而可能有时候，我想，“喔，今天我想打扮成一个小丑，然后我就这么做了。”
词组短语
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