Ornithopoda
n. [古生] 鸟脚亚目
🗣️ 情景例句
No, thanks.
不啦，谢谢。
You were lucky to find it.
你的运气真好。
He asked very politely, Excuse me, have you got any books about the moon and the stars?
“请问，你有关于月亮和星星的书吗？”