Paleozoic era
un. 古生代\\n
🧩 词语组成解析
a. 古生代的\\nn. 古生代
era
['iərə]
n. 纪元，年代;历史时期，时代;重大事件;
🗣️ 情景例句
Mom says we can give her a going-away surprise party.
妈妈说我们可以给她举行一个让她惊喜的欢送派对。
I ask him to tell me the details about everything.
我要求他告诉我每件事的细节。
The swallow shares the virtues of both schools in highest measure.
燕子充分兼有这两类鸟的长处，