medullary ray वाक्य

उदाहरण वाक्य

1. Fourcade described the wood as " " very light and soft, very weak, elastic, porous, with alternate concentric layers of soft and firm tissue; medullary rays fine and close; pores moderately large and numerous, irregularly distributed; colour white or grey, tinged with brown; makes rough boards, but decays rapidly if exposed to the weather . ""