Cleithrum
匙骨
🗣️ 情景例句
What basic principles do you apply to your life?
你在生活中最基本原则是什么？
Hunger is the best sauce.
饥者口中尽佳肴。
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。