Infrared detectors have many uses.红外探测器有多种用途。Infrared is widely used in industry and medical science.红外线广泛应用于工业和医学科学.It is relative insensitivity to other than red and infrared lights.它对红光,红外线的光以外的其它光相对来说是不敏感的....
他被警察盯梢.He was shadowed by the police.他被侦探盯梢.He is shadowed by a spy.老伙计，只不过又是一份盯梢的活。对你这样的人来说还不是小菜一碟。Just another surveillance job, old chap. Piece of cake to somebody like you....