bifolium

n.对折的书页

a leaf of a book or manuscript that consists of two pages joined at the fold；a map or chart consisting of two sheets attached by a fold；a structural element of a truss consisting of a pair of rafters attached at the ridge and at their feet

名词

1. The library preserved a rare bifolium from a medieval manuscript.
图书馆收藏了一张珍贵的中世纪手稿叶。
2. The artist used a bifolium map to navigate through the treacherous terrain.
艺术家使用双折叠地图在危险的地形中导航。
3. The engineering team reinforced the truss with additional bifolia.
工程团队使用额外的双楞结构加固了桁架。