英语语法分析

Gallons of sea water had rushed into the cabin and were now swilling about in the bilges.

大量海水冲入了船舱，正在船底中来回晃荡。

《柯林斯英汉双解大词典》

When bilges begin to register an unusual increase.

当舱底水不正常的持续升高时。

D When bilges begin to register an unusual increase.

当舱底水不正常的持续升高时。