But the fuel, type of hydrogen gas, sits in that doughnut shape.
但是燃料,一种氢气,呈甜甜圈形状。
英语学习系列1
They've got a head in the middle of their body. They've got a doughnut shaped brain.
他们的身体中间有一个头。 他们有一个甜甜圈形状的大脑。
新春菜肴
Shaping the dough into a doughnut shape helps you to get an even rope out of the dough so later when you portion it you can get a nice, even smaller portions out of it, as well.
In geometry, a torus (plural tori) is a surface of revolution generated by revolving a circle in three-dimensional space about an axis coplanar with the circle. If the axis of revolution does not touch the circle, the surface has a ring shape and is called a torus of revolution.