回复第一封邮件（每隔一次迭代）

reply to the first mail (every second iteration)

youdao

每隔一次迭代(两周一个迭代)，整个团队(很多人距离很远)会参加联合的迭代计划会议。

Every other 2 week iteration, the entire team travels (many are remote), to meet for the joint iteration planning session.

youdao

我每隔一周回一次家。

I went home every other week.

《柯林斯英汉双解大词典》

If this was tetanus, you got this tetanus vaccine when you were young; you get a boost every five or ten years because your antibody levels are starting to fall.

以破伤风为例,小时候,你接种过破伤风的疫苗,每隔五年或十年要再接种一次,这是因为体内的抗体浓度会下降

耶鲁公开课 - 生物医学工程探索课程节选