继姐 妹 英释中释
Yes. She is a friend of my stepsister. I know where she lives..真的。她是我同母异父（同父异母）姐姐的朋友。我还知道她住在哪里呢。
If you want I'll invite my stepsister and her to have dinner with us..如果你愿意的话，我会请我那个姐姐，还有她和我们一起吃晚饭。
