双胞胎兄妹/姐弟 a twin daughter and a twin son
双胞胎兄妹／姐弟 a twin daughter and a twin son
双胞胎姐弟
Twin brother and sister
以上为机器翻译结果，长、整句建议使用 人工翻译 。
这对双胞胎姐弟刚来ICR时没有任何英语基础，我很惊叹他们学习日常用语的提问和回答时速度如此之快。
Sister and brother joined ICR with no English ability and I have been impressed at how fast they have learned basic questions, replies and greetings.
youdao
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