Both of these mostly made with plain round bars or thin rods wound round a core.

这两种都是用光面圆钢筋或细棒绕着铁芯制作。

youdao

To you our marriage is as plain as vanilla ice cream, but it is the core of my life.

在你们看来我们的婚姻就像香草冰淇淋一样普通，然而这正是我生活的本质。

youdao

It's like in plain sight, everything, but I'm just thinking why is it so hard to accept the very core of our existence, you know, the scientific core of our existence.

对于所有事情来说，这个是多么的清晰视野，但我在想为什么这么难以接受我们存在的真正核心，我们存在的科学上的关键。

youdao

The outer layer, or cladding, is plain silica, while the core is doped with germanium.

ECONOMIST: New-age crystals

The plain truth is that the Yahoo core business was in a terrible place a year ago.

FORBES: An Open Letter To The Marissa Mayer Haters

This is just plain wrong and the BBC really needs to examine it's core values and remember its motto: "Nation Shall Speak Truth Unto Nation".

BBC: NEWS | Have Your Say | What now for the BBC?