But chemical knowledge is as old as history, being almost entirely concerned with the practical arts of living.
但化学知识却象人类历史一样古老，与人们实际生活密切相关。
A rich extracurricular program including fine, performing and practical arts, foreign language, environmental and outdoor education, team sports and travel.
丰富的课外活动，包括美术、表演、实用艺术、外语、环境和室外教育、集体运动和旅游。
A rich extracurricular program including fine, performing and practical arts, foreign language, environmental and outdoor education, team sports and travel.
丰富的课外活动，包括美术、表演、实用艺术、外语、环境和室外教育、集体运动和旅游。
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