Period-luminosity
周光
🧩 词语组成解析
period
['pɪrɪəd]
n. 时期;（一段）时间;学时;句号;
adj. 具有某个时代特征的;（关于）过去某一特定历史时期的;（家具、服饰、建筑等）某一时代的;
peri周围，靠近+od道路→周期
luminosity
[ˌlju:mi'nɔsiti]
n. 发光;光明;光度;发光体;
🗣️ 情景例句
someone to sign for the loan for you.
找个人为你们的贷款签个名。
I will come back with him if he asks me.
我会和他走回来，假如他要求我的话。
I rang the bell and was not surprised to see that Hugh was still as fat as ever.
我按响了门铃，当看到休仍和往常一样胖时，我并不感到惊奇。