xx
  英音  ['eks'eks]  美音  ['eks'eks]  
基本翻译或解释:
 
 abbr. without securities or warrants 无权或无保障(代号)
词源相关:
易混淆的单词: XX
用法与例句:
 - When it comes to sex chromosomes , women are xx and men are xy . 
- 就性染色体而言,女性为xx,男性为xy。
 - An xy combination will become a boy , while an xx combination will be a girl . 
- xy染色体的结合会生出男孩,而xx染色体的结合会生出女孩。
 - Your call to los angeles lasted xx minutes . It will cost xx u. s.dollars . 
- 您打到洛杉矶的电话持续了xx分钟,费用是xx美元.
 - In mammals , females are xx while males are xy so a woman should never be able to provide the necessary y chromosome genes to produce a son . 
- 在哺乳动物中,雌性的性染色体是xx而雄性的是xy所以一个女人是绝不可能产生男性不可缺少的y染色体基因而生育男孩的。
 - Since men die , on average , five years earlier than women , those much bemoaned visits to the doctor for a routine physical must play at least a minimal role in the difference between xx and xy longevity . 
- 一般来说,男人会比女人早死五年,除了xx和xy染色体的寿命差异外,没有去看医生做例行检查至少有一部分原因。