昨天他去游泳了游得很快用英语怎么说

Yesterday, he went swimming and swam very fast. In English, we would say "He went swimming yesterday and swam very quickly."

The phrase "swam very quickly" comes from the verb "to swim," which means to move through water using one's arms and legs. The adverb "quickly" is used to modify the verb "swam," indicating that the action of swimming was done at a fast pace.

Example sentences:

"She swam quickly across the lake." (她在湖面上快速游泳。)
"He swam quickly to the shore." (他快速游向岸边。)
"They swam quickly to escape the sharks." (他们快速游来逃脱鲨鱼。)