nuclear sap核液nuclearadj.原子核的；原子能的；核心的nuclear modification factor核修正因子nuclear localization signal核定位信号区nuclear detection satellite核探测卫星nuclear run-on experiment核连缀(转录)实验Nuclear factor of activated活化T细胞核因子Nuclear Quality Engineering核(装置)质量工程nuclear matetials diversion核材料转移nuclear-powered submarine核动力潜水艇nuclear weapon storage test核武器储存试验Nuclear Power Training Unit原子能训练小队

1. Sexing these turtles is not easy.
   鉴别这些龟类的性别并非易事。
2. So we aren't getting very far with this sexing business, are we?
   用这种方法我们不能在性别区分工作上作出肯定的结论，不是吗？