这几天身体很好英语怎么说

你可以说 "I've been feeling great/healthy recently" 或者 "I'm in good health lately" 表示最近身体很好。
这个短语来自英语中的动词 "feel"，表示感觉，健康状况可以用形容词 "great/healthy" 来修饰。你也可以用 "I'm feeling well" 来表达同样的意思。
下面是一些其他的例句：
"I've been feeling really good lately." (最近感觉真的很好。)
"I've been feeling very well recently." (最近感觉非常好。)
"I've been feeling much better than before." (感觉比以前好多了。)
"I'm in excellent health right now." (现在身体状况非常好。)