The whole oceans are formed from liquid hydrogen.

整个海洋是由液态氢构成的。

Mercury, like many other planets, was formed from accretion.

和其他行星一样，水星也是由吸积作用形成的。

Among them – mycelium – formed from the roots of fungi.

其中一种材料是菌丝体，它由真菌根部形成。

They are believed to be formed from collapsed stars.

科学家认为它们是由坍塌的恒星形成的。

And yet the two planets were formed from the same materials.

然而，这两颗行星是由相同的物质构成的。

The taste receptors themselves are formed from pairs of these proteins.

味觉感受器本身就是由这些成对的蛋白质组成的。

They can be formed from embryos or reprogrammed from adult tissues.

它们可以从胚胎形成，也可以从成人组织重新编辑。

Bookworm is a compound (word) formed from the words book and worm.

bookworm（书呆子）是一个复合词，由book和worm组成。

In other words, it is an adjective formed from a proper noun.

换句话说，它是一个由专有名词构成的形容词。

The solar system formed from a flat disk of gas and dust.

太阳系从扁平碟状的气体和星尘中形成。

Planets were formed from some of the condensing dust in that cloud.

行星是由云中的一些凝结尘埃形成的。

They're formed from eroding lava and basalt rocks that come from volcanic eruptions.

它们是由火山喷发侵蚀的熔岩和玄武岩形成的。

Gerunds are formed from verbs, but they work like a noun in a sentence.

动名词由动词构成，但它们在句子中的作用类似于名词。

To some degree, all nation states have been formed from a mixture of groups.

在某种程度上，所有民族国家都是由各种群体组成的。

They're fixed expressions formed from two or three words linked together in different ways.

它们是由以不同方式链接在一起的两个或三个单词形成的固定表达式。

And about half a billion years later, our own galaxy formed from billions of stars.

大约五亿年后，我们自己的银河系由数十亿颗恒星形成。

A present participle is a word that is formed from a verb and ends in -ing.

现在分词是由动词构成的，以-ing结尾的单词。

They are formed from words or parts of words that are combined in some way.

它们由单词或单词的某些部分以某种方式组合而成。

A gust of air shot out of a portal, and Air Elements formed from the cloud.

一股气流从舱门喷出，云朵中显现出气族人的身影。

Their age can be found by looking at ratios of elements in them formed from radioactive decay.

它们的年龄可以通过观察由放射性衰变形成的元素的比例而发现。