Most poison frogs don 't manufacture their own poison ; they ingest other poisonous creatures then sequester the poison in their skin where it acts to deter predators .
大部分毒蛙本身并不制造毒素，它们从其他有毒生物中摄取有毒物质，并在皮肤上隔离起来，用以威慑捕食者。
Still , there is only so much tear-gas that visitors to the museums and ancient sites of downtown athens can be expected to ingest .
然而，可以预料参观博物馆和雅典市中心古代遗址的游客吸收的唯有大量的催泪瓦斯。
" By drinking salt water , fish ingest a lot of calcium , which needs to be removed or they will get renal stones , " says villy christensen of the university of british columbia .
People accidentally ingest immature worms by eating raw or undercooked pork .
人们食用生的或半生的猪肉会意外咽下未成熟的虫虫。
The residue includes heavy metals , carcinogens and even radioactive materials that young children can get on their hands and ingest , especially if they 're crawling or playing on the floor .
