B ： sorry , i couldn ' t help it . the roads are all jammed up . i was stuck in traffic forever 对不起，我控制不来，路上交通很挤塞，我被困着。
Rita : i ' ll be just a second . you can find silverware , butter and jam up at the counter 莉塔：一下子就好。你在柜台上可以找到餐具、奶油和果酱。
A new imaging agent that homes in on the gummy plaques and tangles that jam up the brains of alzheimer patients has allowed doctors to see the disease in a living person for the first time , researchers said wednesday 本周三，研究人员说，一种能瞄准阿尔茨海默氏病患者脑损伤混乱团的造影剂，使医生首次能在患者活着时就了解病变情况。
