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
What are your goals?
你有什么目标?
I'm not accustomed to that kind of social situation.
我不太习惯那种社交场合。
Shortly after this the famous H. M. S. Challenger expedition established the study of the sea-floor as a subject worthy of the most qualified physicists and geologists.