摘要：bath，不管是名词还是动词，所表示的“洗澡”都是指在浴盆或浴室（澡池）里的洗澡、沐浴、洗浴或泡澡。通常指在浴缸中浸泡，享受更长时间的放松和舒适。也可以用于描述在浴缸或淋浴间进行的洗澡行为，但更侧重于浸泡的过程。

1. bath，不管是名词还是动词，所表示的“洗澡”都是指在浴盆或浴室（澡池）里的洗澡、沐浴、洗浴或泡澡。通常指在浴缸中浸泡，享受更长时间的放松和舒适。也可以用于描述在浴缸或淋浴间进行的洗澡行为，但更侧重于浸泡的过程。

如：

I think I'll have a bath and go to bed.

我想洗个澡，然后睡觉。《牛津高阶英汉双解词典》

She usually has a bath in the morning.

她早上通常要洗个澡。

After lunch she decided on impulse to take a bath.

午饭后她突然兴起，决定洗个澡。《柯林斯高阶英汉双解学习词典》

I always take a shower before going to bed.
我总是睡觉前冲个澡。

I always take a bath before going to bed.

我总是在睡觉前洗个澡。

He took a bath and shaved before dinner

晚餐前他洗了澡，刮了脸。《柯林斯高阶英汉双解学习词典》

I like to take a bath every evening to relax.

我喜欢每天晚上泡个澡来放松。

After exercising, take a bath if condition permits.

运动后，如果条件允许，最好洗个澡。

After a long day at work, I like to take a bath to relax my muscles and unwind.

工作了一整天后，我喜欢泡个澡来放松肌肉和解压。

I’m going to pamper myself by taking a bath.

我要去泡个澡来犒劳一下自己。

I brush my teeth every day, but I don't take a bath every day.

我每天刷牙，但不是每天洗澡。

特别注意：

take a bath (北美英语)还有引申含义：（在交易中）蒙受经济损失

to lose money on a business agreement

He took a bath on his investment in the stock market.

他在股票市场上的投资遭受了巨大的损失。

take a shower通常指在浴室里使用淋浴设备进行快速的全身清洗，淋浴。

She took a shower and then went to bed.她淋了个浴然后就睡了。

I'm going to take a shower before dinner.晚饭前我要去冲个澡。

2. bathe：这个单词既可以作为动词，也可以作为名词,其所表示的洗澡表示的是在江海湖泊或泳池里游泳或洗澡。例如：

They went swimming and then bathed in the lake.

他们去游泳，然后在那片湖里洗澡。

It is not possible to bathe along this coast because the sea is badly polluted.

这-带海边不能游泳了,因为海水污染严重。

来源：翅膀英语一点号