声盘、视盘及光盘的亚微米圆弧线一般通过激光刻录机光刻制造。

The sub-micron circular features of Compact Disc, Video Disc and Optical Disc are usually produced by laser cutting machine .

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正在这时，身后传来一声友好的问候，“要我帮忙吗？”，原来是劳瑞，只见他一手端着满满一杯咖啡，一手端着一大盘冰块。

Can I help you? said a friendly voice. And there was Laurie, with a full cup in one hand and a plate of ice in the other.

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我们听到厨房传来一声巨响，是我的妈妈不小心掉了烤盘。

We heard a big crash coming from the kitchen - my mum had dropped the baking tray accidentally.

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