Potamic
a. 河流的, 江河的
🗣️ 情景例句
You screwed up.
你搞糟了。
What time does it get in?
什么时候到达那里？
This is because they had no natural enemies until the arrival of humans and therefore did not need to develop flying wings.
这是因为人类到达这里之前，这些鸟没有天敌，因此，它们不需要发育飞行的翅膀。