Monocs
代森二甲胺
🗣️ 情景例句
When are you planning to get married?
你准备什么时候结婚？
What's the date today?
今天是几号？
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。