sis

英[sis]美[sis]

n.
1.妹妹，姐姐

同：	[n.] sister
反：	[n.] blood brother, brother

ASTM International authorizes SIS to provide ASTM standards to users in China with a quicker, easier and more economic method
ASTM International授权SIS以更为快捷、便利和经济的方式向中国用户提供ASTM标准收藏
Authorized by ASTM International, SIS distributes ASTM standards and other publications
ASTM International授权SIS代理销售ASTM原版标准和其他出版物收藏

a female person who has the same parents as another person
- my sister married a musician
[同] sis, sister
[反] blood brother, brother

开心词场背单词

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