Senior Democratic lawmakers called for tougher gun laws in the wake of the deadly shooting at an elementary school in Connecticut, as they tried to jolt a paralysed US political system into action to prevent further bloodshed.
造成惨重人员伤亡的康涅狄格小学枪击案之后，民主党资深议员呼吁制定更严格的枪支法律，试图让陷于瘫痪的美国政治体制采取行动，避免再次出现血案。
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