Pioneer
英英释意：develop or be the first to use or apply(后加a new method, area of knowledge, or activity)
V.先驱，开辟者
The first one to do something
例句：
1. It's Alipay which pioneered and popularised mobile payment.(method)
2. Herb Kelleher, a pioneer of cheap air travel, died on January 3rd.
Who pioneered cheap air travel
造句：
1. A Japanese barista pioneered the making of poured coffee/the poured coffee technique.
2. China pioneered "the one country, two system" policy.
