n. the wood of trees cut and prepared for use as building material
v. move heavily or clumsily
n. 木材, 破旧家俱, 废物, 隆隆声
vt. 砍伐木材, 乱堆
vi. 笨拙地移动, 喧闹地向前走, 隆隆地移动
1. The carpenter bought lumber to build a new table.
木匠买了木材来制作一张新桌子。
2. The lumber yard has a wide selection of wood types.
木材场有多种木材选择。
3. We used leftover lumber to make a birdhouse.
我们用剩下的木材做了一个鸟屋。