义务obligation; moral obligation
厂house without walls with its roof propped up by posts; depot
国籍nationality; national identity
平衡balanced; bring into equilibrium
废品spoiled/waste product; broken, old and worthless objects
弱势tendency of weakening; the disadvantaged
心理psychology; thoughts, emotions, etc.
志愿ideal; do something of one's own free will
援助help; the property for support
梯ladder; shaped like a staircase
江river; the Chang Jiang/Yangtze River
派group of people with the same stand, viewpoints, work style or lifestyle; manner