coal anthracite
基本释义
无烟煤
实用场景例句
学术讨论
Researchers must carefully expend their grant funds on essential equipment.
研究人员必须谨慎将研究经费用于关键设备。
The project will expend significant resources on fieldwork.
该项目将在实地调查上投入大量资源。
The university expend considerable effort in maintaining facilities.
大学投入大量精力维护设施。
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