This is the 4581st most frequent Chinese word.
毒素
Toxin or poisonous substance.
The word '毒素' (toxins) is used here as the subject to describe harmful substances and their general impact.
毒素可能会对人体产生有害影响。
Toxins can have harmful effects on the human body.
In this sentence, '毒素' (toxins) is used to specify harmful substances within food that a new technology aims to eliminate.
研究人员正在开发一种能清除食物中的毒素的技术。
Researchers are developing a technology that can remove toxins from food.
Here, '毒素' (toxins) refers to harmful compounds accumulating in the body due to external chemical exposure.