acute disease急性病
chronic disease 慢性病
adhere to 堅持不懈
build a sound body 強身健體
character building 品格培養(yǎng)
chemical substance 化學物質
ease the strain 減輕壓力
engage in 參加,從事
outlook in life 人生觀
persevere in 堅持
physical condition 身體狀況
physical exercise 體育運動
physical-fitness program 健身計劃
the average life expectancy 平均壽命