✅ 同义词
🗣️ 情景例句
What a country!
多奇妙的国家啊！
How long is the ticket valid?
这车票有效期多久？
'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。