3 sentences

1. 地球不断受到宇宙粒子的轰击。

   dì​qiú bù​duàn shòu dào yǔ​zhòu lì​zǐ de hōng​jī.

   Earth is constantly being bombarded by cosmic particles.

   Source: CCMatrix

2. 这些粒子被称为太阳风，导致了北极光。

   zhè​xiē lì​zǐ bèi chēng​wéi tài​yáng​fēng, dǎo​zhì le běi​jí​guāng.

   These particles are called the solar wind and cause the northern lights.

   Source: CCMatrix

3. 这个团队每次创作出一种粒子效果时，都会问自己：“它很酷，但是它有用吗？”

   zhè​ge tuán​duì měi​cì chuàng​zuò chū yī​zhǒng lì​zǐ xiào​guǒ shí, dōu huì wèn zì​jǐ:“ tā hěn kù, dàn​shì tā yǒu yòng ma?”

   Each time the team creates a particle effect, they ask themselves: “It’s cool, but is it useful?”

   Source: CCMatrix