Peroxychromates
[机] 过氧铬酸盐
🗣️ 情景例句
The times have been very bad.
时机一直很坏。
How often do you go swimming?
你多久去游一次泳？
People will do anything to see a free show -- even if it is a bad one.
人们总要想尽办法看不花钱的演出——哪怕是拙劣的演出。