Infrared surveillance system
[计] 红外监视系统
🧩 词语组成解析
infrared
['infrə'red]
adj. <物>红外线的;
n. 红外线;
🗣️ 情景例句
to meet the rest of the troop at two o'clock at the museum.
我们得在两点钟到博物馆与其他童子军会合。
How long will the sale last?
折价销售多久？
The examiner looked at me sadly.
主考人伤心地看着我。