似乎游戏中有剧情解释一类的设计，但是据我所知还真没人关心过这个剧本——看剧情，意味着晋级下一关的时间要被耽误了。

There is some kind of plot that explains all this, but nobody I know has ever bothered to pay attention to it, because that would delay the arrival of the next level.

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脉冲激光器是另一类的激光器，它的脉冲是在“开”与“关”两种状态的振荡之间产生。 当激光器处于“开”的状态，产生光，在“关”的状态，光量显著减少。

There is another class of lasers, however, that pulse, oscillating between an "on" stage, where light is produced, and an "off" stage, when the amount of light is dramatically reduced.

youdao

即使海盗湾被关，另外一类似网站很快将替代其位置(这样的网站确实存在)。

Even if the Pirate Bay were put out of business another similar service would be sure to spring up in its place (indeed, others do exist).

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