Pivotman
n. [篮](篮下)策应队员
🗣️ 情景例句
When was your reservation?
您预定的是什么时候？
What a mess!
乱七八糟。
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。