经过过去这一年，他成熟了许多。
这一领域的技术经过过去十年的发展已经相当完善。
Technology in this field has matured considerably over the last decade.
她很美，经过过去几个星期的沙漠旅行，他发现她真的是无忧无虑。
She was beautiful and over the last several weeks of traveling across the desert he saw that she had a truly carefree spirit.
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