potty-trained
uk/ˈpɒt.i.treɪnd/ us/ˈpɑː.t̬iˌtreɪnd/ (also toilet-trained)
（幼儿）会自己坐便盆的，会自己上厕所的
Potty-trained children know how to use a potty or toilet and no longer need to wear nappies.
By what age are children usually potty-trained? 孩子们通常到几岁才会自己上厕所？
potty-training
noun [ U ] uk/ˈpɒt.iˌtreɪ.nɪŋ/ us/ˈpɑː.t̬iˌtreɪ.nɪŋ/ (also toilet-training)
（对幼儿的）坐便盆训练
the process of teaching a child to use a potty or toilet