英语词汇infrared ray是什么意思，infrared ray的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-电脑手机教程网

单词	infrared ray
释义	DEFINITIVE EXAMPLES 权威例句〔emit〕The alarm emits infrared rays which are used to detect any intruder.警报器能发出红外线探测闯入者。剑桥高阶
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