Peroxychromates
[机] 过氧铬酸盐
🗣️ 情景例句
A 20% discount will be given when you shop at Makro.
你在万客隆买东西会有20%的折扣。
When I had a rest, what were you doing?
当我休息时，你在做什么？
Hi, Jim. Nice to meet you.
你好，吉姆。很高兴见到你。