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单词
protium
释义
pro·ti·um
AHD
[prōʹtē-əm, prōʹshē-]
D.J.
[ˈprəʊtiːəm, ˈprəʊʃiː-]
K.K.
[ˈprotiəm, ˈproʃi-]
n.
(名词)
The most abundant isotope of hydrogen, H
1
, with atomic mass 1.
氘:氢的数量最丰富的一种同位素,H
1
,原子质量为1
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redemptions
Redemptorist
Redemptorists
redeploy
redes
redesign
redevelop
redeye
redeye gravy
red-faced
red-faced
red fir
red fire
redfish
redfishes
red flag
Redford
red fox
red giant
Redgrave
red grouse
red gum
red-handed
redhead
redheaded
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更新时间:2026/9/25 18:55:02