周counter for laps or circuits; perimeter
Counter
産(giving) birth; childbirth; delivery; native (of); product of; produced in; -grown; -bred; assets; property; …
Noun
期period; time; opportunity; chance; occasion; age; term (e.g. in office); session (e.g. of parliament); stage (e.g. of a disease); season (e.g. of a TV series)
Noun
医療medical treatment; medical care
Noun