Achrony
无时性
🗣️ 情景例句
You will never guess.
你绝对猜不到。
Till we meet again.
后会有期。
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。