一项关于猎杀鲸鱼的禁令已经被实施的翻译：A ban on hunting of whales have been implemented 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

A ban on hunting whales have been implemented

A ban on hunting of whales have been implemented

An item about hunted and killed the whale the prohibition rule already to implement

On a whale-killing the ban has been implemented

A ban on hunting of whales have been implemented