|
|
| 1. | The pancreas and small intestine also produce enzymes that break down food into small particles. |
| 胰和小肠也产生酶，把食物分解成细小的微粒。 |
|
|
| | |
| 2. | Chemicals in the body break our food down into useful substances. |
| 人体中的化学元素把食物分解成有用的物质。 |
|
|
| | |
| 3. | Flatulence is gas released by bacteria that live in the large intestine when they break down food. |
| 高浓度的乳酸菌在消化食物时就会产生难闻的气体。 |
|
|
| | |