ボロン繊維 ではありません
boronsen'idewārimasen
1. It is not boron fiber.
Noun
1. It is not boron fiber.
1. hedge
1. war area; battlefield
1. synthetic fibre; synthetic fiber
1. fibre; fiber
1. synthetic fiber; synthetic fibre
1. synthetic fiber; synthetic fibre
1. Do not begin.; Will not begin.
1. To be made to grasp; To be forced to catch