Optiphone
特种信号灯
🗣️ 情景例句
And while you're here,
趁你现在在这，
They lacked for nothing.
他们什么都不缺。
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。