英语语法分析

An improbable sort of barque, but at least it floats.

虽是一叶轻舟，它至少还浮在水面上。

One, an old barque, had been big enough for a sub to bother with and the sub had shelled her.

一条是陈旧的敞篷汽艇，比较大。潜水艇要搞掉它还真得费点儿力气，而它也确实挨了潜艇的炮弹。