But now from somewhere among the broken ground immediately in front of us there came one last despairing yell, and then a dull, heavy thud.

可是，突然间，就在我们的前面，由那片碎石参差、凹凸不平的地方发出了一声最后的绝望的惨叫，然后就是模糊而沉重的咕咚一声。

Conan Doyle, Arthur / The Hound of the Baskervilles柯南 道尔 / 巴斯克维尔猎犬

巴斯克维尔猎犬

柯南 道尔

The Hound of the Baskervilles

Conan Doyle, Arthur

© 1901, 1902 by A. Conan Doyle

Where it is likely that construction of a retaining wall will cause a rise in ground water level such that the stability of any building, structure, land, street or services are likely to be impaired, preventive drainage measures shall be installed.

如建造挡土墙相当可能会导致地下水位上升，以致相当可能会减损任何建筑物、构筑物、土 地、街道或设施的稳定性，则须装置预防性的排水设施。

http://www.legislation.gov.hk/eng/index.htm 07.11.2011

http://www.legislation.gov.hk/eng/index.htm 07.11.2011

buildings of 13 m or less in height above ground level which are used, or intended to be used, for occupation by a single family; or

在地面水平以上13米或少于13米并且由或拟由单一家庭占用的建筑物；或

http://www.legislation.gov.hk/eng/index.htm 11.11.2011

http://www.legislation.gov.hk/eng/index.htm 11.11.2011