Palaeoptera
古翅类
🗣️ 情景例句
Bye.
再见。
He was absent yesterday. Do you know why?
昨天他没到，你知道为什么吗？
2 Which subjects do you like reading about in newspapers, magazines and books?
2。你喜欢读报纸、杂志和书籍里的哪些学科方面的内容？