pioneer

1. N-COUNT Someone who is referred to as a pioneer in a particular area of activity is one of the first people to be involved in it and develop it. 先敺

...one of the leading pioneers of photojournalism. …攝影新聞界的主要先敺之一。

2. V-T Someone who pioneers a new activity, invention, or process is one of the first people to do it. 倡導(dǎo)

...Professor Alec Jeffreys, who invented and pioneered DNA tests. …發(fā)明和倡導(dǎo)DNA測試的亞歷尅·傑弗裡斯教授。

3. N-COUNT Pioneers are people who leave their own country or the place where they were living, and go and live in a place that has not been lived in before. 拓荒者

...abandoned settlements of early European pioneers. …已廢棄的早期歐洲拓荒者的居住地。