hold [həuld]
v.拿住,握住,抓紧
词根记忆:eco(生态)+nom(某一领域的知识)+ic→经济学的
look after
照顾,照料
elephant ['elifənt]
n.大象
cough [kɔ:f]
n.&v.咳嗽
half [hɑ:f]
n.一半
calf [kɑ:f]
n.小牛
联想记忆:半(half)大的牛就是牛犊(calf)
knife [naif]
n.小刀
wife [waif]
n.妻子