timber 木材,木料(英国人用的多点)
lumber 木材,木料(美国人用的多点)
(timber,lumber)多用于建筑等,一般不表示物品质地
log原木,带皮的 timber 栋才,刮了皮可做梁子用的 lumber 板材,板条
we can cut the LOG to timber as the bone of house, or we could cut the LOG OR TIMBER to pieces as the LUMBER
PLS CHECK THE DICTIONARY TO HELP YOURSELF