英语词汇infrared rays是什么意思，infrared rays的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	infrared rays
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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