一些特定的鱼类产量降低了百分之30 在短短的两个月内的翻译：Certain fish production reduced by 30 percent in just two months 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Certain fish production reduced 30 percent in just two months

Certain fish production reduced by 30 percent in just two months

Some specific fish output reduced bofenzhi30 in the short two months

A number of specific fish production, lowered by 30 % in a short span of two months

Certain fish production reduced by 30 percent in just two months