0 poisonous -- 有毒的；引起中毒的
1 very unpleasant or unacceptable -- 令人極不愉快的；不可接受的
a toxic relationship 讓人產生陰影的友誼
toxic parents 惡毒的父母
Most substances found to be toxic to digeneans are not regarded as pollutant risks.
Excessive use of crop protection chemicals may also prove toxic to invertebrate populations, thus decreasing abundance and diversity11,12,14,20.
Many were too toxic; others (such as the school's controversial steam-heating plant) too politically hot.
In the present study, the metals chosen (copper, zinc, manganese and iron) are all essential for normal molluscan metabolism but are toxic at high concentrations.
Such dramatic responses to aphid feeding are unusual and probably indicate the involvement of toxic aphid saliva or hypersensitive reactions of the cypress trees.
Emphasis is placed on small molecules that inhibit protein aggregation, upregulate molecular chaperones, or interfere with downstream toxic pathways.
Protecting the consumer: the development of animal tests for evaluating toxic hazards.
In addition, there is the ever-present risk of unintentional exposures of populations to toxic chemicals and pathogens through industrial accidents and food contamination.
