The main goal of the Antarctic Treaty is to support scientific research and the exchange of information.
VOA: special.2009.06.03
One class of them is beta-blockers, they bind to beta-adrenergic receptors, which are receptors that exchange information between your nervous system and the contractile system that beats your heart and that causes the heartbeat.
一类药物是β阻断剂,它们与β肾上腺素受体结合,这种受体能够在神经系统和,控制心跳的心肌收缩系统之间传递信息,从而产生心跳
the saying goes. But the debate over net neutrality could define how free the exchange of information is going to be in the future.
VOA: special.2009.09.25
Or visitors can exchange information with other playground builders, no matter where they are.
VOA: special.2010.11.05
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