在理解嗅觉的生物学和化学性质方面已经有了重大进展，但许多基本问题仍有待回答。
Significant advances have been made in the understanding of the biological and chemical nature of olfaction, but many fundamental questions have yet to be answered.
有气味基因在手，巴格曼博士就能把遗传学应用到蛔虫嗅觉是怎样运作的问题上。
With the odorant genes in hand, Dr. Bargmann could apply genetics to figuring out how the worm's sense of smell worked.
做这种工作，你需要掌握网络技术和市场营销技能，通晓搜索引擎逻辑学和对网民行为的灵敏嗅觉。
For the job, you'll need a mix of technical and marketing skills, grounding in search-engine logic and a nose for website user behavior.
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