Cosmetics have harmful effects on skin.
化妆品对皮肤有不良影响。
There was higher occupational stress in VDT work. This may have harmful effects on VDT operators psychological health.
VDT作业的职业性紧张程度较高,此因素可能会对工作人员的心理健康产生一定的影响。
Although scientists have focused mainly on microcystins' biological effects, new evidence suggests that other potentially harmful substances also may be present.
生物科学家们大都在致力于微胱氨酸的研究,新发现表明尚有未识别的其他有毒物质存在。
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