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
I got a raw deal.
我被涮了。
A little of every thing is nothing in the main.
每事浅尝辄止,事事都告无成。
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.