Because using a metal object near the eye is not enough, apparently it must be heated.

因为她们把(这么危险的)金属器械靠近眼球还嫌不够，还要加热才能算数。

youdao

If there is a metal object, it inversed the phase of the template to orientate the metal object exactly.

如果探测到金属目标则对模板倒相，实现金属目标的准确定位。

youdao

Sixty years ago, a shiny metal object fell from the sky in New Mexico and changed the city of Roswell forever.

六十年前，一个闪亮的金属物品从天而降，掉在新墨西哥州，也永远改变了罗斯威尔市。

youdao

A compass is a device containing a metal object that points toward the magnetic north pole.

VOA: special.2010.07.14

The bq500410A achieves greater than 70-percent efficiency, and relies on a unique parasitic metal and foreign object detection feature to safely protect the system and stop delivering power if a metal object is detected between the transmitter and receiver.

ENGADGET: TI details the wireless power chip in the Lumia 920, offers four times the charging area