WOOD, THE HARDENED M A T ER I A L FR OM...

182. - De thi trac nghiem TOEIC tong hop
De thi trac nghiem TOEIC tong hop
182. Wood, the hardened m a t er i a l fr om wh i c h trees are c o m pos e d , is m a de up of mill i ons of ti ny A B Ct ub e s of f i b er s packed together.D