Rust had eaten into the metal.

这金属已经锈坏。

《牛津词典》

In England, scientists are testing metal net that can be fired into space junk.

在英国，科学家们正在测试可以被发射到太空垃圾中的金属网。

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The molten metal is poured into the mould.

这块熔化了的金属被倒入模子。

《柯林斯英汉双解大词典》

The material would then be shipped to France to be converted into metal rods before being delivered back to Tehran.

VOA: standard.2009.10.21

Turn it into a heap of metal.

把车子拆成一堆废铁。

耶鲁公开课 - 死亡课程节选

So, for example, here we're showing rubidium and potassium and sodium plotted where we're plotting the frequency -- that's the frequency of that light that's coming into the metal versus the kinetic energy of the electron that's ejected from the surface of the metal.

让大家看来都是可以理解的事情,就是把不同金属的观测结果,画到一张图里面来，例如这里,我们展示的是钠，钾,铷的频率-这是照射金属的光的频率,和金属表面出射电子动能的关系。

麻省理工公开课 - 化学原理课程节选

Historically, the practice of biting into metal seems to have its roots in money counterfeiting.

CNN: Why Olympians bite their medals

Inside, the warehouse was a big open hall, divided into metal cages piled high with different grades of insulating material.

NEWYORKER: Friendly Fire

The footage allegedly shows horses being beaten with sticks, a rope and iron rods to move them into metal pens.

BBC: Nantwich horse abattoir investigation after secret film