bedstone
[机] 座石, 底石, 底梁
发音
US
/ˈbɛd.stoʊn/
UK
/ˈbɛd.stəʊn/
词形变化
bedstones
复数
bedstones
别名
bed stone
释义与例句
n.
-
1.
A large, heavy, flat stone used to support a column or similar member, or as the lower stone of an oil mill.
词源
From bed + stone.
来源：wiktionary