- denoting a substance which stimulates the growth of micro-organisms, especially those with beneficial properties (such as those of the intestinal flora)（物质）刺激微生物生长的（尤指有益微生物, 如肠内菌丛）。
1
- a probiotic substance or preparation促进微生物生长的物质（或制剂）。
1.1
- a micro-organism introduced into the body for its beneficial qualities（导入体内的）益生微生物, 益生菌。