Butment

[bʌtmәnt]

解释:

(n.) A buttress of an arch; the supporter, or that part which joins it to the upright pier.

(n.) The mass of stone or solid work at the end of a bridge, by which the extreme arches are sustained, or by which the end of a bridge without arches is supported.

贝拉编辑

解释:

Same as Abutment.

整理:纳撒尼尔