3 Dr. Lee led the polio eradication initiative that wiped out this crippling disease in China.
3 Dr. Lee led the polio eradication initiative that wiped out this crippling disease in China.
李博士领导了消灭小儿麻痹运动，它清除了中国的这种疾病。
3 Dr. Lee led the polio eradication initiative that wiped out this crippling disease in China.
李博士领导了消灭小儿麻痹运动，它清除了中国的这种疾病。