sun·batheBrE/ˈsʌnbeɪð/NAmE/ˈsʌnbeɪð/verbpresent simple - I / you / we / theysunbatheBrE/ˈsʌnbeɪð/NAmE/ˈsʌnbeɪð/present simple - he / she / itsunbathesBrE/ˈsʌnbeɪðz/NAmE/ˈsʌnbeɪðz/past simplesunbathedBrE/ˈsʌnbeɪðd/NAmE/ˈsʌnbeɪðd/past participlesunbathedBrE/ˈsʌnbeɪðd/NAmE/ˈsʌnbeɪðd/ -ing formsunbathingBrE/ˈsʌnbeɪðɪŋ/NAmE/ˈsʌnbeɪðɪŋ/[I]tositorlieinthesun, especiallyinordertogobrown (getasuntan)沐日光浴；晒太阳bath / bathe / swim / sunbathe
When you wash yourself you can say that you bath(BrE) or bathe(NAmE), but it is much more common to say have a bath(BrE) or take a bath(NAmE).自己洗澡可用 bath（英式英语）或 bathe（美式英语），但一般说 have a bath（英式英语）或 take a bath（美式英语）。
You can also bath(BrE) or bathe(NAmE) another person, for example a baby.给别人（如婴儿）洗澡亦可用 bath（英式英语）或 bathe（美式英语）。
You bathe a part of your body, especially to clean a wound.洗身体某部位（尤指清洗伤口）用 bathe。
When you go swimming it is old-fashioned to say that you bathe, and you cannot say that you bath or take a bath. It is more common to use swim, go for a swim, have a swim or go swimming.游泳旧时说 bathe，但不能说 bath 或 take a bath。较通用的说法为 swim、go for a swim、have a swim 或 go swimming：◆Let's go for a quick swim in the pool.咱们去游泳池游会儿泳吧。◆She goes swimming every morning before breakfast.她每天早饭前去游泳。What you wear for this activity is usually called a swimsuit or swimming trunks.游泳时穿的衣服通常叫做 swimsuit（游泳衣）或 swimming trunks（游泳裤）。
When you lie in the sun in order to go brown you sunbathe. 沐日光浴为 sunbathe。