The space station is kept supplied with air, food, and other expendables.空间站持续有空气、食物以及其他消耗品的供应。

expendable items of fishing equipment, such as flies钓鱼装备的消耗品, 如鱼饵

In reproductive terms, men are expendable.就繁衍来说, 男性并非必需。

Once our services cease to be useful to them, we're expendable.一旦我们的服务对他们来说没有用了, 我们就无关紧要了。

During the recession, training budgets were seen as an expendable luxury.在经济衰退期间, 培训预算被认为是一项可以节省下来的奢侈费用。