every third day

常见例句

He comes here every three days(every third day).
他每三天来这儿一次。
I usually go to my uncle's every three days (=every third day).
我通常每三天（每隔两天）去我叔叔家一次。
Sometimes he ate every third day, sometimes only every fifth or sixth day; so he was always hungry, although he worked day and night.
有时候他们每三天，更有时是五天或六天，才有吃一顿，所以总是饥饿，虽然他们日夜工作。

And what you will give me in return is on the first day, one cent-- one penny; on the second day, two cents; third day, 4 cents... Every day, twice as much as the previous day, starting with one.
你们给我的是，第一天，一分钱;,第二天，二分钱，第三天，四分钱。,每天给我前一天的两倍钱，从一分钱开始。
哈佛公开课 - 幸福课课程节选

With friends whose skincare regimens run from obsessive use of the Clarisonic exfoliator (ow) to one who swears by washing her face only every third day (ew), I turn to the experts for advice on the best skin care regimes for different age groups.
FORBES: Woman Guide To Great Skin At Every Age
Overall, OKL adds a mix of new products every day that mixes third party and OKL products.
FORBES: One Kings Lane Raises $50 Million Led By Institutional Venture Partners
This made me feel pretty good since I try to share at least one to two informational items from third-party sources every day.
FORBES: Grow Your Twitter Followers By Being Nice And Informative