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单词 tuff
释义
tuff (tŭf)
n.
A rock composed of compacted volcanic ash varying in size from fine sand to coarse gravel.

[French tuf, from Old French, from Old Italian tufo, tufa; see TUFA.]

tuff·aceous (tŭ-fāshəs) adj.
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更新时间:2025/1/23 12:37:28