n.缺口；裂缝；差距；空白
He has a gap between his two front teeth. 他的两个门牙之间有一缺口。
A big gap yawned between the rocks. 岩石间豁开一个大裂口。
Reducing the gap between rich and poor is one of the main challenges facing the government. 缩小贫富之间的差距是政府面临的主要难题之一。
We are determined to bring credit to our country by filling this gap in our industry. 我们一定要争一口气, 把祖国工业上这项空白填补上。
