例句與造句

1. Besides signaling via exchange of diffusible substances, cell-cell signaling can be mediated by contact through the activity of surface located macromolecules.
2. "H substance " or " substance H " are occasionally used in medical literature for histamine or a hypothetical histamine-like diffusible substance released in allergic reactions of skin and in the responses of tissue to inflammation.
3. It's difficult to find diffusible substance in a sentence. 用diffusible substance造句挺難的