n. any materials unused and rejected as worthless or unwanted
n. useless or profitless activity; using or expending or consuming thoughtlessly or carelessly
n. (law) reduction in the value of an estate caused by act or neglect
v. spend thoughtlessly; throw away
n. 浪费, 废物, 损耗, 消耗, 荒地, 垃圾, 地面风化物
a. 废弃的, 荒芜的, 多余的
vt. 浪费, 消耗, 使荒芜
vi. 浪费, 消耗, 变消瘦