Desmothoracida
链胸目
🗣️ 情景例句
Let's make it 6:00 at your place, is that OK?
咱们六点在你们家见，好吗？
The little boy left home for his first day at school.
那个小孩第一天离开家去上学。
I want you to look at this material.
我要你看看这材料！