Our bones and cartilages are also composed of collagen.

我们的骨头和软骨也由胶原蛋白组成。

Give me a few minutes to compose myself here.

给我几分钟冷静一下。

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.

等你清醒过后再来见我。

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。

But the phrases he was listening to weren't composed by Beethoven.

但他听的这些乐句并非贝多芬的创作。

Beethoven already had lost his hearing when he was composing the Ninth.

贝多芬在创作《第九交响曲》时已经失聪了。

I asked how old child prodigy Mozart was when he first composed music.

我问神童莫扎特第一次作曲时是几岁。