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
I always go back to the city in a wonderful state of mind.
我再回到城里时， 精神总是十分饱满。
Falsehood like a nettle stings those who meddle with it.
谎言似荨麻，玩弄会刺手。
He never has anything to do.
他从来都是无事可做，