Radiochemicals
放射化学试剂(药品)
🗣️ 情景例句
Hey, what did you do on your trip?
嗨，旅游时玩的怎么样？
It's about time to get up.
差不多该起床了。
In a few years the small workshop had become a large factory which employed seven hundred and twenty-eight people.
几年之后，小铺子已经发展成了一个雇有728人的大工厂。