Pelecaniformes
全蹼目
🗣️ 情景例句
In the section on culture,
在文化这部分，
Do you understand?
你明白了吗？
The real dividing line between continents and oceans occurs at the foot of a steeper slope.
大陆和海洋的真正分界线是在陡坡脚大陆架慢坡