🗣️ 情景例句
Do you celebrate Christmas in China?
中国人庆祝圣诞节吗？
How did you like the game?
你觉得这场比赛怎么样？
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。