Stomacace
溃疡性口炎
🗣️ 情景例句
You mean from the food?
是不是吃东西引起的？
The air conditioner is out of order.
这空调坏了。
'He had travelled only seven miles across the Channel when his engine failed and he was forced to land on sea.
但他只在海峡上空飞行7英里，引擎就发生了故障，他只好降落在海面上。