Unaugmentable
[计] 不可扩张的
🗣️ 情景例句
Ooh! Oh, that's wonderful!
噢！噢， 太好了！
Good to see you too, I think.
幸会……，大概。
'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。