手冲咖啡（pourover coffee）的制作技艺是由一名日本咖啡师发明。
A Japanese coffee brewer pioneered the technique of making pourover coffee.
参考翻译：The pourover coffee technique was pioneered by a Japanese barista.
“pioneer”可以作名词也可以作动词，作名词有“先驱、开拓者”的意思，作动词意思是“开创、开辟、率先做某事”，我们今天学习 pioneer 作动词的用法。pioneer 作为动词，可以取代 somebody was the first to do something，让语言变得更简洁、更地道。
It is Alipay which pioneered and popularized mobile payment.
Herb Kelleher, who pioneered cheap air travel, died on January 3rd, aged 87.
造句：Yuan Rongpin has pioneered the technique of planting high-productive rice, which has successfully fed the large population in China.
许多非政府组织（Non-Governmental Organization）力图捍卫教育平等。
Many NGOs seek to champion the cause of education equality.
“champion”即是名词也是动词，作为名词可以表示“冠军”“支持者”，作为动词表示“支持”“捍卫”，今天我们学习的是动词用法。当我们想表达“支持”“捍卫”时，除了用 support 和 defend，也可以用 champion。
Khaled Hosseini, an Afghan-born American novelist, writes to champion the cause of human rights and social justice.
To champion something is to support it, to defend it. Wechampionthe cause of liberty. Hugh Grant, an actor, champions the right of old people to die in their own homes.
