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
Do you want to stick it out for the whole weekend?
难道你想在此地耗掉整个周末？
Counsel must be followed, not praised.
忠告必须照办，而不是赞美。
and a very firm hand must be employed in the early stages.
因此开始阶段需要有一位强有力的老手。