大约十年以前，当时还在上大学，我在大学自然历史博物馆里面作为实习生而在那里学习工作。
About ten years ago when I was an undergraduate in college, I was working as an intern at my University's Museum of Natural History.
大约十年以前，当时还在上大学，我在大学自然历史博物馆里面作为实习生而在那里学习工作。
About ten years ago when I was an undergraduate in college, I was working as an intern at my University's Museum of Natural History.
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