teacher's day还是teachers' day

teacher's day还是teachers' day 教师节是Teachers’ Day还是Teacher’s Day? 教师节是teacher's day还是teachers' day 是teacher‘s day还是teachers’ day呢? 教师节英文是teachers' day还是teacher's day 教师节是Teacher's Day还是Teachers' day 教师节是Teacher's Day还是Teachets' Day 英文的教师节怎么写是The Teacher's Day The Teachers' Day Teacher's Day 还是Teachers'Day 教师节快乐”用英文怎么说?是”happy teacher's day”还是”happy teacher day”? Teacher's Day is( ) Teacher's Day is() happy teacher's day 到底是Teacher's Day 还是 Teachers' Day那 mother's day 还是 mothers' day？为什么呢？ teach变单三加S还是ES We celebrate _(teacher)Day on September 10th,填teacher's还是teachers? My teacher Happy teacher's day! ‘在教师节”怎么用英语表达on Teachers’ Day还是on Teacher’s Dayon Teachers’ Day还是on Teacher’s Day Teachers' Day 还是Teacher's Day?有没有这两种都可得说法?