alternate binary code

例句：

1. 1.The team members alternated their roles to ensure everyone had a chance to contribute.
   团队成员轮流担任角色，确保每个人都有机会贡献。
2. 2.The teacher asked the students to alternate readings from different chapters.
   老师让学生轮流从不同章节中朗读。
3. 3. The two teams played an alternating game of soccer until the end of the match.
   两队进行了交替的足球比赛，直到比赛结束。