vital adj.对......极重要的，必不可少的；致命的

　　(教材P18)Not only has aspirin proved vital for reducing fever and helping stop pain, but there are also other things that aspirin can help with.

　　阿司匹林不仅被证明对于退烧、止痛必不可少，而且还有其他用途。

　　be vital for/to...　　 对......极重要的/必不可少的

　　It is vital to do sth. 做某事极其重要

　　It is vital that... ......十分重要

　　①Consideration for other people is vital to all of us.

　　对我们所有人而言能体谅别人是极其重要的。

　　②It is vital that you keep accurate records.

　　做好准确的记录极为重要。

　　③It is vital to_get (get) the victim to the hospital at once.

　　把受害者立刻送到医院是至关重要的。

　　[名师点津]　

　　在句型"It is vital that..."中从句谓语动词要用"(should＋)动词原形"的形式。

　　 potential n．可能性，潜在性；潜力，潜能adj.潜在的，可能的(只可作前置定语)

　　(教材P18)Lawrence Craven, a doctor from the USA, introduced the idea in 1953 that aspirin had the potential to reduce the risk of heart attacks, because it helped the blood circulate better.

　　美国医生劳伦斯·克雷文在1953年提出一个观点，即阿司匹林可能有助于降低心脏病发作的风险，因为它能改善血液循环。