18. Olivia likes travelling in her spare time.

奥利维亚喜欢在业余时间旅行。

She enjoys visiting new places, meeting different people and having nice food.

她喜欢去新地方，认识不同的人，吃美味的食物。

She grew up in an inland city and she always wants to see the sea.

她在内陆城市长大，总是想看大海。

19. 5G technology is coming.

5G技术即将到来。

William is quite interested in it.

威廉对此很感兴趣。

Because 5G can give him a faster online experience and he can live a smarter life.

因为5G能给他带来更快的上网体验，他也能过上更智能的生活。

20. Australia's fires have killed over a billion animals.

澳大利亚的大火造成超过十亿只动物死亡。

Alice is an animal lover and she feels sad about those animal's death.

爱丽丝是个动物爱好者，她对那些动物的死亡感到难过。

She is trying to help and save the animals which lost their homes.

她正在努力帮助拯救失去家园的动物。