提示：点击例句中的单词，就可以看到词义解释

Its scientists then study the detritus in cathedral-sized detectors .

然后科学家们在大教堂那么大的探测器里研究其碎片。

Metal detectors are a big worry .

金属探测器是个大麻烦。

Some schools have installed metal detectors .

一些学校则安装了金属探测器。

Place smoke detectors in every room .

在每个房间安装烟雾探测器。

All four infrared detectors aboard wise were used to make this image .

船上所有四个红外探测器被用来获得这一图片。