Interradium
间辐区
🗣️ 情景例句
He's not crying anymore.
他不再哭了。
Which American singer do you like to listen to?
你喜欢哪个美国歌星的歌曲？
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。