The new technique has been used to identify the sex of fetuses.
这项新技术已被用来鉴定胎儿的性别。
Schwartz must register as a sex offender in New York.
施瓦兹必须作为性罪犯者在纽约立案。
The new findings, he says, did not show that a person's sex was a predictor of beneficial crying.
VOA: special.2009.01.28
Also,a new research paper in the journal Sex Roles looks at the experiences of women who are the main earners in their family.
VOA: special.2009.11.20
The District of Columbia now joins five states -- Connecticut,Iowa,Massachusetts, New Hampshire and Vermont -- with a law legalizing same sex marriage.
VOA: standard.2010.03.03
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