Delthyrium
三角孔
🗣️ 情景例句
The bride and groom really look wonderful together.
新娘和新郎看起来真是一对儿。
Here's a prescription for a painkiller.
这是止痛的处方。
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。