我先洗头英语怎么说

"I'm going to wash my hair" 是 "我先洗头" 的英文表达。

这个短语来源于英语中的动词 "wash" 和名词 "hair"。"Wash" 意思是洗涤，"hair" 意思是头发。所以 "wash my hair" 就是指洗头发。

下面是一些例句：

I'm going to wash my hair before bed. (我睡觉前要洗头。)
Can you pass me the shampoo? I need to wash my hair. (你能把洗发水递给我吗？我要洗头。)
I think I'll wash my hair every other day. (我想我会每隔一天洗一次头。)
I just washed my hair, so it's still wet. (我刚刚洗过头，所以头发还湿着。)