This system adopts metal touch key.

本系统采用金属触摸键。

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If two pieces of metal touch in space, they become permanently stuck together.

如果两块金属接在太空中直接接触，它们将会永久地粘在一起，变成一块。

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Sometimes it's easier actually not touch it to the metal, -- I should have- TA: It's hard to see if it's moving or not.

有时候它更容易不接触金属，我本应该-,助教：很难看到它是否移动了。

麻省理工公开课 - 化学原理课程节选

When spot-welding, for instance, a robot has to touch the metal with an electrode.

ECONOMIST: Robots: Nothing to lose but their chains | The

This created some theoretical problems for bands who would have preferred to remain more in touch with metal's roots.

NPR: Kicking and Screaming, Metal Back in Music Spotlight

All told, the Ultrabooks and Sleekbooks are available in 14- and 15-inch screen sizes, and have identical industrial designs, which is to say they're constructed from a mix of metal and soft-touch material.

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