expendvt.花费;消耗
expend training拓展训练
expended engine燃料耗尽发动机
expendable item浪费项目
expendable part消耗件
expend reduction降低消耗
expendible relay消耗性延迟
expend energy on在 ... 上面花费精力
expend structure消费结构
Expended perlite膨胀珍珠岩
expendable decoy投放式诱饵