Passengers must pass through metal detectors, and their carry-on bags are put through X-ray machines.

乘客必须通过金属探测器检测，其随身物品也必须经过X射线设备检测。

《柯林斯英汉双解大词典》

Archaeologists also may locate buried remains by using such technologies as ground radar, magnetic-field recording, and metal detectors.

考古学家们还可能利用地面雷达、磁场记录和金属探测器等技术来定位被掩埋的遗骸。

youdao

With the opening of the visitor centre, sightseers will pass through metal detectors and queue up for tours amid air conditioning and plentiful lavatories.

在访客中心开放后，观光者们将在有空调和很多洗手间的地方，通过金属探测器、排队等候参观。

youdao

Metal detectors cannot be used in many cases because landmines can be made of non-metal materials.

VOA: special.2010.05.03

Air travelers worldwide are accustomed to passing through metal detectors.

VOA: standard.2009.12.30

They had to make their way through tight security, including metal detectors and bomb-sniffing dogs.

NPR: Boston Bomb Investigation Extends To Russia

Yet we have huge faith in these metal detectors that can only pick up one substance.

CNN: Behavioral screening -- the future of airport security?

There were soldiers pouring out of these trucks, but they were armed only with metal detectors.

NPR: Beijing Preps For Opening Of Olympics