Gamma-amino butyric acid, or GABA, for example, is a chemical thatshuts down nerve cells.

如γ-氨基丁马氨基丁，都是可以使神经细胞关闭化学物质。

20 to 50 days after death, a process called butyric fermentation begins as the flesh is removed and your body dries out.

死后 20 到 50 天，随着肉被去除并且身体变干，一种称为丁发酵程开始。

The small orange-colored " fruit" is, in fact, ginkgo seeds, which have several layers. The fresh outer layer has butyric acid, the main source of the smell.

银杏果有好几层外皮，新鲜外果皮含有丁——也是它臭主要来源。

And any given odorant, like this pizza, is made up of hundreds of different chemicals that you can smell, like the thymol of the oregano, the butyric acid of the cheese, and the acetylpyrazine of the crust.

任何特定，比如这个披萨，是由你能闻到数百种不同化学物质组成，比如牛至百里香酚，奶酪丁，和外皮乙酰吡嗪。