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go to the bathroom
委婉表达上厕所。
I need to go to the bathroom.
我需要去一下洗手间。
浴室；卫生间
bathrooms — plural of bathroom
先理解核心含义，再看它在真实句子里的用法。
浴室；卫生间
A room with a bath or shower, and usually a toilet and washbasin.
I need to go to the bathroom.
我需要去一下洗手间。
包含淋浴或浴缸的房间,通常(但不一定)还有厕所。
A room containing a shower or bathtub, and (typically but not necessarily) a toilet.
含有浴缸或淋浴、通常还有洗手盆和厕所的房间
a room (as in a residence) containing a bathtub or shower and usually a washbasin and toilet
配备一个或多个厕所的房间或建筑
a room or building equipped with one or more toilets
Excuse me, where is the bathroom?
请问，卫生间在哪里？
I need to use the bathroom before we leave.
在我们离开之前，我需要用一下卫生间。
She scrubbed the bathroom floor until it was spotless.
她把浴室地板擦得一尘不染。
委婉表达上厕所。
I need to go to the bathroom.
我需要去一下洗手间。
指在浴室这个房间内。
He is in the bathroom taking a shower.
他在浴室里洗澡。
礼貌地请求使用洗手间。
May I use your bathroom?
我可以用一下你的厕所吗？
Not this
I need to go to bathroom.
Use this
I need to go to the bathroom.
中文学习者常省略冠词，因为中文没有冠词。英语中可数名词单数前通常需要限定词，这里需要加上定冠词 'the'。
Not this
I need to bathroom.
Use this
I need to use the bathroom.
中文学习者误将 'bathroom' 用作动词。'bathroom' 是名词，不能说 'to bathroom'，正确表达是 'use the bathroom'。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
去洗手间
I need to go to the bathroom before we leave.
我们出发前我需要去一下洗手间。
使用洗手间
May I use your bathroom?
我可以用一下你的洗手间吗？
浴室镜子
She was looking at herself in the bathroom mirror.
她正在浴室镜子前看自己。
浴室水槽
The bathroom sink is clogged.
浴室水槽堵了。
上厕所休息
The teacher allowed a short bathroom break.
老师允许短暂的上厕所休息。
套内浴室
The master bedroom has an en suite bathroom.
主卧室配有套内浴室。
去洗手间
Excuse me, I need to go to the bathroom.
对不起，我需要去洗手间。
上厕所休息时间
We took a short bathroom break during the meeting.
会议期间我们短暂休息去上厕所。
厕所幽默
His comedy routine relies too much on bathroom humor.
他的喜剧表演过于依赖厕所幽默。
发长 /uː/ 音 (如 food, boot)
Use bathrooms naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
用‘bath’（洗澡）和‘room’（房间）组合：洗澡的房间就是bathroom。
Register: neutral; typical settings: home, public restroom. Note_zh: 通常中性，多用于家庭或公共场合，可指浴室或厕所。
All listed words end with '-room' (IPA /ruːm/), but the stress is on the first syllable, so they are not perfect rhymes with 'bathroom'. 'Bathroom' itself has the stressed vowel /æ/, which matches only the first syllable of 'classroom' but not the following sounds.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.
Watch the sound change