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expendable + noun
作形容词修饰名词时，常指可消耗的物资或资源；用于人时则表示可牺牲的。
The mission will need expendable supplies.
这次任务将需要可消耗的补给品。
可消耗的；可牺牲的
先理解核心含义，再看它在真实句子里的用法。
可消耗的；可牺牲的
suitable to be used up or sacrificed
The mission will need expendable supplies.
这次任务将需要可消耗的补给品。
可消耗的；非用之不竭的。
Able to be expended; not inexhaustible.
一次性的；不可重复使用的。
Designed for a single use; not reusable.
为实现目标并非必不可少或非强制性的。
Not essential or mandatory in order to achieve a goal.
被认为不值得保留或挽救的；可以牺牲的。
Regarded as not worth preserving or saving; able to be sacrificed.
The commander knew that some supplies were expendable and ordered the soldiers to leave them behind.
指挥官知道有些补给是可牺牲的，便命令士兵丢弃它们。
In a competitive company, employees who bring little value quickly become expendable.
在竞争激烈的公司里，带来很少价值的员工很快会变得可有可无。
The project manager treated the extra features as expendable and cut them to meet the deadline.
项目经理把多余的功能视为可牺牲的，为了赶上截止日期而删除了它们。
作形容词修饰名词时，常指可消耗的物资或资源；用于人时则表示可牺牲的。
The mission will need expendable supplies.
这次任务将需要可消耗的补给品。
常用在否定句或疑问句中，强调某人或某物并非可有可无。
No one is expendable in this team.
在这个团队里，没有人是可以牺牲的。
作名词时通常用复数形式，指消耗品或可牺牲的人（物）。
The budget lists tools and other expendables.
预算中列出了工具及其他消耗品。
Not this
This suitcase is expendable, so it can hold more clothes.
Use this
This suitcase is expandable, so it can hold more clothes.
expendable 意为“可消耗的、可牺牲的”，而表示“可扩展的”应用 expandable。两者拼写相近但含义不同。
Not this
We should expendable the extra materials on the project.
Use this
We should expend the extra materials on the project.
expendable 是形容词，不能作谓语动词；表示“消耗、花费”的动词是 expend。改为 expend 后句子语法才正确。
Not this
This hotel is too expendable for us to stay in.
Use this
This hotel is too expensive for us to stay in.
把“昂贵的”误写成了 expendable；expendable 意为“可消耗的、可牺牲的”。表示价格高应用 expensive。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
可支配资金
After paying taxes, they had few expendable funds left.
纳税后，他们只剩下少量可支配资金。
消耗性物资
The expedition took plenty of expendable supplies such as food and batteries.
考察队带上了食物和电池等大量消耗性物资。
可消耗资源
Fresh water is not an expendable resource.
淡水不是一种可消耗的资源。
可牺牲人员
The commander refused to treat any of his soldiers as expendable personnel.
指挥官拒绝将自己的任何士兵当作可牺牲人员。
一次性运载火箭
Most satellites are still sent into orbit on expendable launch vehicles.
大多数卫星仍由一次性运载火箭送入轨道。
被认为可舍弃的
In the redesign, the old features were considered expendable.
在重新设计中，旧功能被认为是可以舍弃的。
我们是“敢死队”。
Barney Ross (Sylvester Stallone) says this to his team in the 2010 action film The Expendables.
在2010年动作电影《敢死队》中，巴尼·罗斯（西尔维斯特·史泰龙饰）对团队说了这句话。
Use expendable naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
expendable = expend（花费）+ able（可…的），能花掉的就是消耗品；也可指可牺牲的人。
语域：mixed 常见场景：军事行动、企业管理、财务 expendable 的语体随语境变化：在军事、企业管理中多指‘可牺牲的、可舍弃的’，在财务中指‘可支配的’；多用于正式或专业场合，具体含义需依搭配判断。
expendables
Dictionary facts from ECDICT, WIKTIONARY.