22. He found that the concentration of chromium found in whales was several times higher than the level required to kill healthy cells in a Petridish, Mr Payne said.
他发现，鲸身上铬浓度比杀死培养皿中健康细胞所需的量要高好几倍，佩恩说。
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23. GOOD way to make yourself unpopular at dinner parties is to point out that a typical person is, from a microbiologist's perspective, a walking, talking Petri dish.
24. A GOOD way to make yourself unpopular at dinner parties is to point out that a typical person is, from a microbiologist's perspective, a walking, talking Petri dish.
25. A GOOD way to make yourself unpopular at dinner parties is to point out that a typical person is, from a microbiologist's perspective, a walking, talking Petri dish.
For example, researchers want to make embryonic stem cells from a person with a disease like Alzheimer's and turn the stem cells into nerve cells in a petri dish. 举例来说，研究人员希望从一个患有一种疾病如阿尔茨海默氏症病人中获得胚胎干细胞，使干细胞在皮氏培养皿中分化为神经细胞。
