Beir
abbr. biological effects of ionizingradiation 电离辐射生物效应
🗣️ 情景例句
I was teaching music,
我当时教音乐，
Who is the auther of this novel?
谁是这本小说的作者？
Yes. I wrote it down on a piece of paper. Here it is!
是的。我写在一张纸上了。在这儿！