coal ash brick
基本释义
煤渣砖
实用场景例句
学术演讲
The military considered some units expendable in the event of a full-scale war.
军方认为某些部队在全面战争中是可以牺牲的。
学术讨论
In the experiment, the expendable materials were discarded after use.
在实验中，可消耗的材料在使用后废弃。
Money spent on education is not expendable but an investment in the future.
用于教育的钱是不可消耗的投资，是对未来的投入。
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