1·Impoverished and rural families are also less likely to go to a doctor when their children fall sick, which they do a lot, thanks to dirty water and poor hygiene.
偏远的穷困山区家庭在孩子生病后，很少会送去看医生，他们只能寄希望于那点脏水和土方法。
2·What if you should fall sick?
如果你生病了怎么办？
3·Medicine is the study of human healths and treatment of diseases. We can understand body functions, what causes us to fall sick and how to treat diseases.
医学是对人类健康和疾病治疗的研究。我们可以了解人体功能，生病的原因以及怎样治疗疾病。
4·Children always fall sick, so we need a long term care for them.
孩子们常常生病，所以需要我们长期的照顾。
5·Children always fall sick, so we need to look after them long time.
孩子们常常生病，所以需要我们长期的照顾。