The control group was fed on a basal diet and the test group was fed on the basal diet with an additive of 1.5%~2.0% bee pollen.是什么意思_The control group was fed on a basal diet and the test group was fed on the basal diet with an additive of 1.5%~2.0% bee pollen.在线翻译_英语_读音_用法_例句