Charles Boutron is an expert on the impact of heavy metals on the environment at the National Center for Scientific Research in France.
查尔斯·布特隆是法国国家科学研究中心的一名专家，研究重金属对环境影响。
2
Committed to the research work in the lab is a distinguished expert from China who has won great achievements in this field.
在这一领域取得了巨大成就的一位杰出的中国专家在实验室里从事研究工作。
3
"Smithers, don't you think it's ironic that your irregular night-time activities are in inverse proportion to your reputation as an expert in the area of invertebrate research?"