千万不能放任小孩呆在水池或水槽附近不管。Never leave young children unattended near any pool or water tank.她放任我们随心所欲，甚至连我们在床上蹦跳她也不管。She lets us do anything, even bounce on our beds.莫莉放任那个女孩恣意妄为。Molly has let that girl run wild....
He dragged a foot when he walked, a leftover from polio.他走路时一瘸一拐的，那是小儿麻痹的后遗症。He wore leg braces after polio in childhood.他幼时得过小儿麻痹症后双腿安上了支架。Polio was then endemic among children my age.那时小儿麻痹症在我这个年纪的孩子中很常见。...