グラスファイバーだろう
gurasufaibādarō
1. Probably fiberglass.
★ Common
Noun
#1897243
1. Probably fiberglass.
1. glass (drinking vessel)
2. glass (material)
3. glasses (eyewear)
1. fiber; fibre
1. stained glass
1. glass fiber; glass fibre
1. Venetian glass
1. seems; I think
2. right?; don't you agree?
1. Probably okay.; It'll probably be alright.
1. Of glass; Glass
1. with a glass; in a glass