Old quantum theory
[化] 前期量子论
🧩 词语组成解析
old
[old]
adj. 老的;古老的;以前的;（用于指称被替代的东西）原来的;
n. 古时;
🗣️ 情景例句
Yes, I think that's what we stipulated.
对呀，我想那是我们所订定的。
She's very well,thank you.
她很好，谢谢您。
Often the little words have meanings of their own.
这些小词常常都有自己本身的意思。