トライボロジーなら
toraiborojiinara
1. If tribology; When tribology
Noun
#389391
1. If tribology; When tribology
1. tribology
1. Wasn't tribology.
1. It is not tribology.
1. If tribology; When tribology
1. If tribology; Were tribology
1. Was not tribology.
1. Probably tribology.
1. Tribology.
1. In tribology.; Regarding tribology.