### Chinese: 近期我国发生多起本土聚集性疫情，均是境外疫情经口岸城市输入。
### English: Recently, there have been many domestic aggregate epidemics in China, all of which are imported from overseas through port cities.
### Errors: There is a major error of terminology is non-standard or does not fit context. terminology is used inconsistently at "domestic aggregate epidemics". There is a major error of incorrect translation has stylistic problems at "Recently, there have been many".

### Improved English: Recently, there have been many local cluster outbreaks of diagnosed cases in China, all of which were imported from overseas through port cities.