xx
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/ɹˌoʊmən twˈɛnti/
British pronunciation
/ɹˌəʊmən twˈɛnti/

"xx"的定义和意义

01

二十, 20

the cardinal number that is the sum of nineteen and one
xx definition and meaning
02

女性正常性染色体组 (xx), 女性性染色体正常组 (xx)

(genetics) normal complement of sex chromosomes in a female
01

二十的, 二十个的

denoting a quantity consisting of 20 items or units
xx definition and meaning
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