Beta decay
[医] β[质点]衰变
🧩 词语组成解析
n. 希腊字母表的第二个字母\\n[医] β(希腊文的第二个字母), 乙种
🗣️ 情景例句
that will bring parents and teachers together once a week
让家长们及教师每星期一次
Will you go shopping with me?
你跟我去买东西吗？
I don't know. I haven't made up my mind yet.
不知道。我还没下定决心呢。