Radiogen
放射物(质)
🗣️ 情景例句
No, we have the Spring Festival's celebrations with feasts and fireworks.
不，我们以宴会和焰火庆祝春节。
Like tree, like fruit.
有其因必有其果。
Collecting as a serous hobby is quite different and has many advantages.
作为一种严肃的业余爱好的收藏活动完全是另外一回事，它具有许多益处。