1
sit on the potty
主语通常为幼儿或儿童。
The toddler sat on the potty by herself.
那个幼儿自己坐在便盆上。
幼儿便盆；儿童坐便器
先理解核心含义，再看它在真实句子里的用法。
幼儿便盆；儿童坐便器
A small, usually plastic, bowl-shaped toilet used to train young children to use a regular toilet.
The toddler sat on the potty by herself.
那个幼儿自己坐在便盆上。
夜壶。
A chamber pot.
用于训练幼儿如厕的小型塑料便盆。
A small, usually plastic, chamber pot used to toilet-train small children.
When your child is ready, put the potty in a quiet corner of the bathroom.
当你的孩子准备好了，把便盆放在浴室安静的角落里。
The little boy carried his potty to the living room, but his mother told him to take it back.
小男孩把自己的便盆拿到客厅，但妈妈让他拿回去。
After several tries, the toddler finally used the potty by herself.
试了几次之后，这个幼儿终于自己使用了便盆。
主语通常为幼儿或儿童。
The toddler sat on the potty by herself.
那个幼儿自己坐在便盆上。
常用于如厕训练的语境。
He is learning to use the potty.
他正在学习使用便盆。
这是儿童语或家长对幼儿说的委婉说法。
She said she needs the potty.
她说她要上儿童便盆。
Not this
My child needs potty.
Use this
My child needs a potty.
中文没有冠词，容易漏掉不定冠词；potty 是可数名词单数，指“一个便盆”时必须用 a/an。
Not this
There are two potty in the bathroom.
Use this
There are two potties in the bathroom.
potty 的复数形式是把 y 变 i 再加 -es，说“两个”时用复数 potties。
Not this
The baby is sitting in the potty.
Use this
The baby is sitting on the potty.
sit on 表示坐在便盆上（便盆是让孩子坐着的器具），in 通常表示“浸泡在…里面”，搭配错误。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
如厕训练；便盆训练
Potty training is a big step for toddlers.
如厕训练是幼儿成长中的重要一步。
儿童坐便椅
He sits on his potty chair every morning.
他每天早上坐在他的儿童坐便椅上。
儿童马桶座圈
We put a potty seat on the toilet for our daughter.
我们为女儿在马桶上放了儿童马桶座圈。
坐在便盆上
The child needs help sitting on the potty.
孩子需要帮助才能坐到便盆上。
用便盆如厕
She is learning to use the potty at daycare.
她正在托儿所学习使用便盆。
去用便盆；上厕所
The toddler said, "I need to go potty."
幼儿说：“我要去用便盆。”
（幼儿用语）去用便盆；上厕所
The teacher asked the little boy if he needed to go potty before lunch.
老师问小男孩午餐前是否需要去上厕所。
满嘴脏话；满口脏话的人
The comedian is funny, but he has a potty mouth.
这个喜剧演员很有趣，但他满口脏话。
当你需要去便盆时，马上停下来去。
This is a song lyric from the children's show Daniel Tiger's Neighborhood, used to help toddlers remember to use the potty.
这是儿童节目《丹尼尔·虎的邻居》中的歌词，用来帮助幼儿记住去使用便盆。
Use potty naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 potty 看成 pot（罐）+ y，小宝宝的小便盆就像一个小罐子。
语域：informal 常见场景：home、childcare、toilet training potty 作名词时通常用于日常口语，尤其在家庭或育儿场景中说到幼儿如厕训练或小型便盆时比较常见；正式书面语或医疗语境较少使用，常换成更正式的说法。
注意复数形式是 potties，不是 pottys。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.