Delayed neutron
[化] 缓发中子
🧩 词语组成解析
a. 定时的；延时的
🗣️ 情景例句
I was. I came back here last month on vacation.
本来是，不过上个月回来度假。
Hello. May I speak to Mr. Green?
你好，我找格林先生。
It was his job to repair bicycles and at that time he used to work fourteen hours a day.
他那时的工作是修理自行车，并且通常是一天工作14个小时。