A cube is a simple polyhedron.立方体是简单的多面体。

Each polyhedron encloses solid space.每个多面体都围出立体空间。

Geometry class defines the polyhedron.几何课定义多面体。

The crystal forms a regular polyhedron.晶体形成规则多面体。

A tetrahedron has four triangular faces.四面体有四个三角形面。

Each tetrahedron balances on one corner.每个四面体以一角平衡。

Chemists model methane as a tetrahedron.化学家把甲烷建模为四面体。

The child folded a paper tetrahedron.孩子折了一个纸四面体。

A cube is a regular hexahedron.立方体是正六面体。

Each hexahedron has six faces.每个六面体有六个面。

The die is a small hexahedron.骰子是个小六面体。

Geometry draws a tilted hexahedron.几何课画一个斜六面体。

The diamond cut resembles an octahedron.钻石切工像八面体。

Each octahedron has eight triangles.每个八面体有八个三角形。

Fluorite often forms an octahedron.萤石常形成八面体。

The module builds a hollow octahedron.模块搭出空心八面体。

A dodecahedron has twelve pentagons.十二面体有十二个五边形面。

Plato admired the regular dodecahedron.柏拉图推崇正十二面体。

Each dodecahedron hides inside the game.每个十二面体藏在游戏里。

Sculptors carved a stone dodecahedron.雕刻家刻了一个石十二面体。

A decahedron has ten flat faces.十面体有十个平面。

Each decahedron puzzle fits the box.每个十面体拼图都能装入盒中。

Geometry names the convex decahedron.几何学命名凸十面体。

The crystal grew as a decahedron.晶体长成十面体。

A soccer ball hints at an icosahedron.足球暗示二十面体。

Each icosahedron has twenty triangles.每个二十面体有二十个三角形面。

Viruses often form an icosahedron.病毒常呈二十面体。

The geodesic dome echoes an icosahedron.网格球顶呼应二十面体。

A square pyramid is a pentahedron.四棱锥是五面体。

Each pentahedron has five faces.每个五面体有五个面。

Geometry class folds a pentahedron.几何课折一个五面体。

The module forms a slanted pentahedron.模块搭出斜五面体。

Calcite often forms a rhombohedron.方解石常形成菱面体。

Each rhombohedron has slanted faces.每个菱面体都是斜面。

The crystal splits as a rhombohedron.晶体沿菱面体裂开。

Miners split the clear rhombohedron.矿工劈开透明的菱面体。

A trapezohedron has kite-shaped faces.偏方三八面体有风筝形面。

Each trapezohedron lacks parallel faces.每个偏方三八面体没有平行面。

Garnet sometimes forms a trapezohedron.石榴石有时形成偏方三八面体。

Textbooks picture the trapezohedron.教科书画出偏方三八面体。

The cathedral dominates the old town.大教堂俯瞰老城。

We visited the stone cathedral.我们参观了石砌大教堂。

Each cathedral took centuries to build.每座大教堂都建了数百年。

Choir practice fills the cathedral.唱诗班练习声回荡在大教堂里。

The bishop teaches from the cathedra.主教从主教座上训导。

Each cathedra anchors the diocese.每座主教座都确立教区中心。

The phrase ex cathedra means official.ex cathedra 一词意为官方的。

We polished the old wooden cathedra.我们擦亮古老的木制讲台。

The sanhedrin met at the temple.犹太公会在圣殿集会。

Each sanhedrin seated elders.每个犹太公会都由长老组成。

Historians debate the sanhedrin.历史学家争论犹太公会的职权。

The trial came before the sanhedrin.审判在犹太公会前进行。

Ephedra grows in dry deserts.麻黄长在干燥沙漠。

Herbal tea once used ephedra.草药茶曾用麻黄。

Each ephedra stem looks like a broom.每根麻黄茎像扫帚。

The drug derives from ephedra.这种药提取自麻黄。

The new rule will be octahedral for everyone in the group.新规则对组里每个人都将是八面体的。

They considered the plan octahedral after a long discussion.经过长时间讨论，他们认为该计划是八面体的。

The manager gave a octahedral answer at the meeting.经理在会上给出了一个八面体的的答复。

Every solution must be octahedral before it is approved.每个方案在获批前都必须是八面体的的。