female substance的用法和样例：
例句
- Across the U.S., female animals exposed to toxic chemicals are suffering from a flurry of health problems, from shrunken oaries to spontaneous abortions.
在美国，与有毒化学物质接触的雌性动物正遭受许多健康问题，从卵巢萎缩到自发流产。 - The spermatozoids of primitive plants are often positively chemotactic, swimming toward the female organs in response to a chemical secreted by the latter.
较原始的植物的游动精子有正向的趋化现象，总是游向由雌性器官所分泌的物质。
