Phstocatalyzer
[医] 光催化剂
🗣️ 情景例句
Nowadays in the USA, more and more young people are losing interest in politics.
正在的美国，越来越多的年轻人对政治丧失了兴趣。
The crowd gasped with astonishment.
大家惊讶的屏住呼吸。
Could you do me a big favor?
能否请你帮我个忙？