It is an object of the present invention to collect a scarce metal such as iridium from a light-emitting element which is no longer used.
本发明的一个目的是从不再使用的发光元件中收集铱之类的稀有金属。
Aluminum is a kind of light silvery metal.
铝是一种轻薄并呈银色的金属.
The most easy to produce light of current metal-cesium.
光照下最易产生电流的金属 —— 铯.
A percussion instrument with a series of metal chromatic scale and played with two light hammers.
用小锤演奏的由安装在框架上的一系列金属棒构成的打击乐器.
Light fittings with metal parts should always be earthed.
有金属部件的照明装置都应该走地线。
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