单词foster-sister
na.: 在同一家庭中养育的(但不是同父母的)弟兄[姐妹]
网络: 奶姐妹
My foster sister"s mum said that I could stay at her house and wait for the results of my tests.
我养姐的妈妈对我说，我可以呆在她们的房里，等待我的测验结果。
I kept in constant contact with my foster sister"s mum as the results were supposed to go to her house.
我与我养姐的妈妈保持着固定的联系，因为测试结果预期是要送抵她的住处。