第二，核电站还是处于不稳定的状态，存在着突然释放大量放射性粒子的风险。
Two, the plant is still unstable, at risk of suddenly emitting vastly greater amounts of radioactive particles.
有种普遍的假说：暗物质是由极不稳定的粒子组成，它们不能与普通物质相互作用，甚至连光也不能，因此人们无法看到它们。
A popular hypothesis is that dark matter is formed by exotic particles that don't interact with regular matter, or even light, and so are invisible.
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