taiyōnensū
1. (machine's) service life
Noun
#37549
1. (machine's) service life
1. number of years
1. solar system
1. solar cell
1. Sun
1. ocean
1. It was not a number of years.; It wasn't a matter of years.
1. Was [a number of] years.; It was [a number of] years ago.
1. If/when [years]; If it were [years]
1. Years, likely.; About [number] years.