Delayed neutron
[化] 缓发中子
🧩 词语组成解析
a. 定时的；延时的
🗣️ 情景例句
Right. What's old?
对了， 旧的东西是什么？
I'm afraid it's going to be too wide.
我怕它将太宽。
Thanks very much. Granny, the hospital is not very near.
非常感谢。老大娘，这家医院有点远。