Sagnac rays
[医] 塞纳克氏射线(γ线由金属面反射形成的次生β线)
🧩 词语组成解析
n. 射线；[俚]日光浴；光线（ray的复数）
🗣️ 情景例句
How much do stamps cost?
邮票多少钱？
It's a shame I haven't seen more of you these recent years.
真遗憾，最近几年我未能见到你。
The English language possesses a vivid saying to describe this sort of situation.
英语中有一个生动的说法来形容这种情况。