Cynodontia
n. 犬齿龙附目；犬齿兽次亚目\\n
🗣️ 情景例句
But I haven't finished telling you
但我还没有对你说完
Don't bother your father now, he is very tired.
现在别拿这个去烦你爸，他很累了。
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。