Peroxychromates
[机] 过氧铬酸盐
🗣️ 情景例句
I have two days off a week.
我一星期休息两天。
I was just on time.
我刚好赶上。
I gave him a meal.He ate the food and drank the beer.
我给了他一顿饭。他把食物吃完，又喝了酒。