Silurian period
出国 Abroadun. 志留纪\\n
🧩 词语组成解析
a. 〈地〉志留纪的
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
🗣️ 情景例句
That's fantastic!
真了不起！
Change lays not her hand upon truth.
真理不变。
Moreover, as soon as new knowledge is acquired, it is now turned to practical account.
而且，新知识一旦获得，便得到实际应用。