fitness exerciseˈfɪtnɪsˈeksə短语¹⁴⁴⁹⁷²⁺² 基本例句 健身运动 This article is the key elements universities for the elderly fitness exercise classes commenced, school teachers, teaching and fitness exercises in the main problems. 本文研究的主要内容是老年大学健身操课开课现状，学校的师资队伍现状，以及健身操教学中存在的主要问题。591-lw