基本解释n.[植]北柴胡同根派生 英汉例句The aquatic could enrich the radioactive 89Sr. The maximum concentration factor was 94. 7 for snail, 36. 7 for fish and only 12-6 for honewort. 水生生物对放射性锶都有一定的浓集作用;最大的浓集系数;螺蛳为94.;7;鱼36