Our bones and cartilages are also composed of collagen.

们的骨头和软骨也由胶原蛋白组成。

Fossil fuels are primarily composed of two elements.

化石燃料主要由两种元素组成。

She didn't look nearly as composed as usual, but rather pale and clammy.

她一点儿不像平时那样镇定自若，脸色显得非常苍白，一副病恹恹的样子。

His nest is composed of sticks and rushes.

它的窝一般由木棍和灯芯草制成。

Come back when you've composed yourself.

等你清再来见。

And those chemicals are primarily composed of large chains of carbon atoms.

那些化学物质主要是由大量的碳原子链构成。

I watched the video and, you know, first of all, you seem remarkably composed.

了录像，你知，首先，你起来非常镇静。

You know, I watched the video and, first of all, you seem remarkably composed.

你知，了视频，首先，你起来很镇静。

So, how old was Mozart when he composed his first piece of music?

那么，莫扎特在几岁时谱写出他的第一首曲子？

This icy material is similar to that of which the newly formed comets were composed.

这种冰物质与新形成的彗星组成的冰物质相似。

His audience could see that a symphony orchestra is composed of four kinds of instruments.

他的观众了解到交响乐队由四个种类的乐器组成。

Fats are composed in three different categories.

脂肪是由三种不同类别组成的。

The inner clump of the impacter material is actually composed overwhelmingly of the impacter's core.

里面的大块实际上无可厚非，是撞击者的核。

The area's water reserves are mainly composed of glaciers, snow, frozen soil, lakes and rivers.

该地区的水资源储备主要由冰川、积雪、冻土、湖泊与河流组成。

He's written a wide range of music, from symphonies and concertos to some composed specifically for children.

他写的音乐范围很广，从交响乐和协奏曲到一些专门为孩子创作的作品。

You know, I watched the video and, you know, first of all you seem remarkably composed.

着视频，你知，但首先，你起来很镇静。

They were composed of oddly familiar pieces of ivory.

它们是用几片小象牙制作的，着眼熟得奇怪。

But isn't that isthmus only composed of quicksand?

那么，这地峡只是由松动的沙土形成的吗？

At the same time we listen to this lovely melody that Charles Gounod composed for it.

同时也听一下这段美好的旋律这段由夏尔·古诺为它创作的旋律。

The top half is composed of muscle.

尾部前半段由肌肉组成。