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单词
ammonium
释义
N
23902
309
ammonium
Spoken
.
52
Fiction
.
11
Magazine
.
48
Newspaper
.
55
Academic
.
143
ammonium
/əˈməʊnjəm/
noun
as modifier
Chemistr
y the cation NH
4
, present in solutions of ammonia and in salts derived from ammonia
【化】铵。
词源
early 19th cent.: from
AMMONIA
+
-IUM
.
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self-diffusion
self-directed
self-direction
self-discipline
self-disciplined
self-discovery
self-disgust
self-doubt
self-dramatization
self-drive
self-educated
self-education
self-effacement
self-effacing
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更新时间:2026/8/15 18:10:46