The pillars sustain the roof.
几根柱子撑住屋顶。
Rafters carry the weight of the roof.
椽木支撑住屋顶的重量。
It is strong enough to bear up the weight of the roof.
它很牢固,足以支撑住屋顶的重量。
These pillars are too thin to carry the roof.
这些柱子太细,支撑不住屋顶。
These sticks are not strong enough to stay up.
这些棍子不够结实, 撑不住屋顶。
Marble pillars supported the roof.
大理石柱子支撑着屋顶。
The timber carries the whole weight of the roof.
栋梁支撑屋顶全重。
The roof was braced with four poles.
屋顶由四根柱子支撑。
The roof rests upon eight colums.
这屋顶由8根圆柱支撑。
The roof was held up by pillars.
屋顶由柱子支撑着。
What is supporting the roof?
什么东西支撑着屋顶？
The walls of the house carry the roof.
房子的墙壁支撑着屋顶。
The walls of the house held up the roof.
房子的墙支撑着屋顶。
support(a roof,bridge,etc)with trusses(truss )
用构架支撑（屋顶、桥梁等）.
An apartment or dwelling situated on the roof of a building.
屋顶公寓，顶楼位于建筑物屋顶层的房子或住处
These pillars carry the weight of the roof.
这些柱子支撑着屋顶的重量.
The roof rests on a number of columns.
这屋顶由数根圆柱支撑着。
The removal of the center post will leave the roof unsupported.
移走中柱将于屋顶无支撑。