I lived three years in Paris, during which time I learned French.
我在巴黎住了三年，在那期间我学了法语。
Diana spent four years in college, during which time she learned French.
戴安娜上了四年大学。其间，她学会了法语。
Tom spent four years in college, during which time he learned French.
汤姆上了四年大学，在此期间他学了法语。
He spent four years in college, during which time he studied medicine.
他上了四年大学，这期间他学了医学。
He spent four years in college, during which time he studied medicine.
他上了四年大学，这期间他学了医学。
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