gradually decrease year by year的意思|示意
美 / /
英 / /
逐年逐渐减少
gradually decrease year by year的网络常见释义
逐年递减 ... decrease day by day 每天减少 ; 减少一天一天 gradually decrease year by year 逐年递减 decrease by degrees 递减 ; 逐渐下降 ...