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

363. - De thi trac nghiem TOEIC tong hop
De thi trac nghiem TOEIC tong hop
363. 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 t ub e s of A B C Df i b er s packed together.