1、Certain chemicals in plastic bottles have been found to have estrogenic effects on the body.
某些塑料瓶中的化学物质被发现对身体具有雌激素的影响。

2、The researchers conducted studies to determine the estrogenic activity of various plant extracts.
研究人员进行了一系列研究，以确定各种植物提取物的雌激素活性。