Eclaircissement
n. <法>解说, 说明
🗣️ 情景例句
How'd it go?
怎么样啦？
I am very fortunate to have met you.
我很高兴能见到你。
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。