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单词
deuterium
释义
deu·te·ri·um
(d
-tîr
ē
-
ə
m, dy
-)
n.
A naturally occurring isotope of hydrogen, H-2, having one proton and one neutron in the nucleus.
[
DEUTER(O)-
+
-IUM
.]
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firmamental
firmer chisel
firmly
firmness
firmware
firn
firry
first
first aid
first-aid
first base
first baseman
firstborn
first class
first-class
first class
first cousin
first day cover
first-degree burn
first down
first edition
first family
first finger
first floor
first fruits
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更新时间:2025/9/17 8:45:10