It consists of a dusty, doughnut-shaped cloud of gas and dust that feeds a central supermassive black hole.

它由多尘的环状气体云和不断进入中心巨型黑洞的尘埃组成。

youdao

I'd only come inside in the hope of buying one of the doughnut-shaped bread rolls popular throughout Turkey.

我走到里面去只是想买一个油炸圈饼，这是一种在土耳其全国都很普遍的面包圈。

youdao

The Van Allen belts are two doughnut-shaped rings of charged particles-one nestled inside the other-that encircle our planet.

范艾伦辐射带是由带电粒子组成的两个甜甜圈形状的环状物——其中一个挨靠在另一个内部——环绕着我们地球。

youdao

It isn't the kind of doughnut-shaped, the rich inner and poorer outer, that Paris has.

BBC: London's homeless families could rise by 5,000

Navalny works at a doughnut-shaped conference table, behind drifts of paper and a laptop bristling with memory sticks.

NEWYORKER: Net Impact

That technique uses a magnetic field to hold large volumes of the same isotopes of hydrogen inside a doughnut-shaped vessel, called a tokamak.

ECONOMIST: Nuclear fusion