他在实践中积累了丰富的经验。
她从实践中积累了医疗经验。
并且，在多年的工程实践中，积累了丰富的经验。
And, in many years of engineering practice, has accumulated rich experience.
她主要是从实践中积累了医疗经验。
She has in the main gathered her medical experience from practice.
她主要是从实践中积累了医疗经验。
She has in the main gathered her medical experience from practice.
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