今天我们要学的词是 caregiver。Caregiver 看护,照料别人的人。统计数字显示,An estimated 42 million people, about 30% of the US adult population, are caregivers for family members. 美国大约有4200万人有家人需要照料...
What babies know fascinates doctors, researchers and parents. With technology that can measure brain waves and other indicators, what researchers are finding is that babies know more than we suspect. What do they know and when do they know it? Such q...