Hermione, let me read your composition, said Ron desperately, checking his watch.

赫敏，让看看你作文吧。罗恩看了看手表，心急火燎地说。

That technology tells us the chemical composition of the environment.

这项技术会告诉境化学成分。

Did you write this composition, McCourt?

麦考特，这篇作文是你写吗？

Fossil fuel burning has changed the composition of the atmosphere.

化石燃料燃烧已经改变了大气成分。

And usually, that means that it has a richer composition.

通常，这意味着它有更丰富成分。

And the composition of that meteorite, is very consistent with the composition of Baptistina.

那个陨石成分，与巴蒂斯缇娜其实常一致。

There are several conspicuous errors in your composition.

你作文有几个明显错误。

The profound meaning behind the chocolate is matched by its ingenious composition.

巧克力背后深刻寓意与其巧妙原料搭配相得益彰。

Adding the probiotic changed the composition of the coral's microbiome.

加入益生菌，会改变珊瑚微生物组构成。

He noticed that the ground beneath his feet had an unusual composition.

他注意到地面含有一种不同寻常成分。

What you need to do is to learn to play his compositions.

你要做就是学会演奏他作品。

Everyone has their own opinion of music, how to play every composition.

每个人对音乐、每个部分怎样演奏都有自己理解。

There have been about 400 musical compositions written just for the glass harp.

如今，全球约有400首曲子专门为玻璃竖琴而创作。

Freezer burn changes the composition of your food, resulting in off flavors, textures, and colors.

冷冻品再烧制会改变食物成分，导致口味、质地和颜色改变。

But after analyzing the soil composition there, Tsering found traces of horsehair and manure.

但分析那里土壤组成后，和嘉波才让发现少量马毛发及马粪。

At the same time, they mapped the composition of gut microbes for each participant.

同时，他绘制了每个参与者肠道微生物组成图。

We've created rivers and lakes, and changed the composition and temperature of the atmosphere.

创造了河流和湖泊，还改变了大气成分和温度。

And by determining the protein composition, the scientists can then extrapolate info about the DNA.

通过确定蛋白质组成，科学家可以推断出DNA信息。

Composition of the molecule, the melting point.

关于分子组合、熔点等。

The chemical composition is actually potassium nitrate.

化学成分实际上是硝酸钾。