Exocycloida
外环形棘皮目
🗣️ 情景例句
He grew up happily in a small village.
他在小村庄里快乐地长大。
Please don't bother. Thank you just the same.
请不要麻烦了，谢谢。
The hospital had been bombed and Hans had made his way back into Western Germany on foot.
医院遭到轰炸，汉斯步行回到了西德。