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
🗣️ 情景例句
Oh, let me think for a minute.
哦,让我想一下。
You can receive our program at short wave 37.5 MH.
你可在短波37.5赫兹上收到我们的节目。
People who work in offices are frequently referred to as white-collar workers' for the simple reason that they usually wear a collar and tie to go to work.