“遮阳帽”用英语怎么说

外公戴着一顶老式遮阳帽显得滑稽可笑.Grandad looks absolutely ludicrous in old sunhat.她戴着一顶紫色遮阳帽,漂亮极了.In a lilac sun bonnet she was it.在海滩上到处都是戴遮阳帽的游客.Tourists with sunshade hats are everywhere on the beach....