The Hezbollah-led opposition in Lebanon is taking advantage of the decision by a United Nations-backed tribunal to release four senior generals, Wednesday,to score points ahead of the country's upcoming parliamentary elections.

VOA: standard.2009.04.30

The advantage of this is that now you have four binding sites for antigen instead of just two.

这样的好处是一个抗体上,有四个抗原结合位点而不仅仅是两个

耶鲁公开课 - 生物医学工程探索课程节选

The advantage of this is that now you have four binding sites for antigen instead of just two.

这样的好处是一个抗体上,有四个抗原结合位点而不仅仅是两个

耶鲁公开课 - 生物医学工程探索课程节选