Plugholes
n. 插孔, （压载水柜）放水孔, 密封采空区的密封孔道( plughole的复数形式 )
🗣️ 情景例句
I thought so, too.
我也这样想。
Hope springs eternal (in the human breast).
希望会产生，永远无穷尽。
'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。