It's a constant struggle to try to keep them up to par.要让他们达标，需要不断努力。All the doors have been bricked up to deter vandals.所有的门都用砖堵了起来，防止破坏分子闯入。Across the river the railway track ran up to the pithead.铁轨跨过这条河直达矿井口。...
A deluge of manuscripts began to arrive in the post.大量的手稿开始通过邮递涌来。Two fourteenth-century manuscripts of this text are still extant.这个文本仍有两份14世纪手抄本存世。The manuscripts were written in the composer's own hand.手稿是作曲家亲笔写的...