1.philanthropy n. 博爱,慈善;慈善事业
Such philanthropy is encouraged by government.
这样的慈善事业得到政府的鼓励 。
2.leverage n. 手段,影响力;杠杆作用;杠杆效率 v. 利用;举债经营
His position as mayor gives him leverage to get things done.
他的市长身份使他有能力办成一些事情 。
3.vaccine n. 疫苗;牛痘苗 adj. 疫苗的;牛痘的
Anti-malarial vaccines are now undergoing trials.
抗疟疾疫苗现在正处于试验阶段 。