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单词
diatomaceous earth
释义
WordReference Random House Unabridged Dictionary of American English © 2024
di
′
atoma
′
ceous earth
′
,
a fine siliceous earth composed chiefly of the cell walls of diatoms: used in filtration, as an abrasive, etc.
Also called
di•at•o•mite
(dī at
′
ə mīt′),
USA pronunciation
kieselguhr.
1880–85
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更新时间:2025/9/21 17:19:56