フェムトメートルだったら
femutomētorudattara
1. If/when femtometer
Noun
1. If/when femtometer
1. if it's the case
1. metre (unit of length); meter
2. meter; gauge
1. kilometer; kilometre
1. square metre; square meter
1. cubic meter
1. not be found
1. If it comes out; When it comes out
1. If/when topped; If/when crowned