Papillosarcoma
[医] 乳头[状]肉瘤
🗣️ 情景例句
In general, American boys like baseball.
一般而言，美国少年喜欢棒球。
I'm not kidding, I love you!
我是认真的，我爱你！
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。