如何翻译“减少”

英语自学网

　　a)表示数目、数额、数值、数量或度量减少了：
　　to decrease／reduce by ten people减少了10人
　　to decrease／reduce by sixty person-times减少了60人次　
　　to decrease／reduce by eighty-three sets减少了83套
　　to decrease／reduce by five hundred yuan减少了500元
　　to decrease／reduce by one thousand kilograms减少了1，000公斤
　　to decrease／reduce by twenty thousand hectares　减少了20，000公顷　　
　　to decrease／reduce by three hundred thousand metres　减少了300，000公尺　
　　b)表示百分数、分数下降了
　　to decrease／reduce／be reduced／go down／fall／drop／dwindle by one-hundredth It'decrease／reduction／fall by one per cent．下降了百分之一　
　　to decrease／reduce／be reduced／fall／drop／dwindle by ten percent／one-tenth下降了百分之十／十分之一
　　to decrease／reduce by twenty percent／one-fifth下降了百分之二十／五分之一
　　to decrease／reduce by twenty-five percent／one-fourth／one-quarter　下降了百分之二十五／四分之一
　　to decrease／reduce by fifty per cent／one-half　下降了百分之五十／一半　
　　to decrease／reduce by eighty percent／four-fifths下降了百分之八十／五分之四
　　2) 减少到 (Decreasing to)
　　减少到，表示在原来基础上到减少以后的结果，用前置词to。
　　a)表示数目、数额、数值、数量或度量减少到：
　　to decrease／reduce to eight people减少到8人
　　to decrease／reduce to sixteen person-times　减少到16人次
　　to decrease／reduce to seventy-two sets减少到72套　
　　to decrease／reduce to nine hundred and twenty three yuan减少到923元
　　to decrease／reduce to fifteen hundred／ one thousand five hundred kilograms减少到1，500公斤
　　to decrease／reduce to eighteen thousand hectares减少到18，000公顷　
　　to decrease／reduce to two hundred and seventy thousand metres减少到270，000公尺
　　b) 表示百分数、分数下降到
　　decrease／reduce to twenty per cent／one-fifth下降到百分之二十／五分之一
　　to decrease／reduce to fifty per cent／one-half下降到百分之五十／二分之一
　　to decrease／reduce to seventy-five percent/ three-fourths／three-quarters　下降到百分七十五／四分之三　
　　to decrease／reduce to eighty per cent／four-fifths　 下降到百分之八十／五分之四