although 后边可以while吗

1、Although， while in England I did have lunch with her Majesty the Queen，虽然在英国我确实跟女王陛下吃了午餐

2、I answer a lot of email， although admittedly while offline， when flying.在搭乘飞机的途中，虽然显然是脱机离线时，我也回答了许多电子邮件。