381个近岸海域海水水质监测点中，达到国家一类海水水质标准的监测点占21.3%，比上年增加7.9个百分点;

381个近岸海域海水水质监测点中，达到国家一类海水水质标准的监测点占21.3%，比上年增加7.9个百分点;的英文翻译

基本释义

• Out of the 381 offshore monitoring points, 21.3 percent of the points reported that the marine water quality reached National Grade I, up by 7.9 percentage points.