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单词
gingivitis
释义
gingivitis
牙龈炎
牙龈发炎。假牙不适、体弱或服用抗生素的人因受感染均可能引发牙龈炎。
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Russell ,Bertrand Arthur William,3rd Earl
Russell,John 1st Earl
Russell,Ken
Russell,Lord William
Russell,Sir William Howard
Russell,Willie
Russia
Russian
Russian Blue
Russian Federation
Russian literature
Russian Orthodox Church
Russo-Finnish War
Russo-Japanese War
rust
rust fungi
Ruth
Ruthenia
ruthenium
rutherfordium
Rutherford,Dame Margaret
Rutherford,Ernest,1st Baron
Rutherford,Mark
Ruthwell cross
Ruth,Babe
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