二恶英在环境和食品中以一种复杂的混合物形式出现。

Dioxins occur as a complex mixture in the environment and in food.

youdao

原油是碳氢化合物的混合物，是各种形式的有价值的这个自然。

Crude oil is a mixture of various hydrocarbons and is valuable in this natural form.

youdao

我并没有发明一种新的形式，新的混合物或变化体。

I did not invent a new form, a mixture of new or changes in body.

youdao

我并没有发明一种新的形式，新的混合物或变化体。

I did not invent a new form, a mixture of new or changes in body.

youdao