Infrared sources
[电] 红外光源
🧩 词语组成解析
infrared
['infrə'red]
adj. <物>红外线的;
n. 红外线;
n. 输入源；发起者；来源（source的复数）
🗣️ 情景例句
That's load off my mind.
这一来我心里轻松了。
The end of next month looks like the most probable sales date.
下个月底好像是最佳的销售日。
It was mailed last week.
上个礼拜我们还没收到。