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单词
ultramicrochemistry
释义
WordReference Random House Unabridged Dictionary of American English © 2024
ul•tra•mi•cro•chem•is•try
(ul′trə mī′krō kem
′
ə strē),
USA pronunciation
n.
Chemistry
the branch of microchemistry dealing with minute quantities of material weighing one microgram or less.
ultra
- +
microchemistry
ul′tra•mi′cro•chem
′
ist
,
n.
ul•tra•mi•cro•chem•i•cal
(ul′trə mī′krō kem
′
i kəl),
USA pronunciation
adj.
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更新时间:2025/11/24 2:40:09