With his boyish face and slender build, he (David Ho) could more easily pass for a teenager than for a 44-year-old father of three — or, for that matter, for a world-renowned scientist.

娃娃脸和瘦瘦的身材，使何大一看起来更像是个青少年，而不像一位44岁，育有3名子女的父亲，更不像是世界知名的科学家。

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David Ho: (laughter) a lot of pressure ah!

何大一：(笑)很大的压力啊！

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The biotechnology company got a taste of success when David Ho , a world-renowned AIDS researcher, used the ProteinChip to find a protein that may give some people resistance to the HIV virus.

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