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
the music, the concerts.
音乐，音乐会。
If he doesn't , will you take one?
如果他不，你会拿一个吗？
Well done, Wei Hua! Thank you, said Miss Zhao. I think it's time for us to start the lesson now.
“说得很好，魏华！谢谢，”赵小姐说，“我想现在该是我们学习课文的时候了。”