英文: My great-grandfather was a Church pioneer.
中文: 我的曾祖父是教会的先驱。英文: The pioneer mode light of difficulties and dangers .
中文: 他们对困难与危险无所畏惧。英文: I see everybody as a pioneer out there.
中文: 我认为每个人在那里都是先锋。英文: Pioneer Electronics. This is Mary Wu speaking.
中文: 先锋电子。我是吴玛莉。英文: Differences of leaf traits between pioneer and non-pioneer tree species in early succession stage of tropical montane rain forest
中文: 热带山地雨林演替早期先锋树种与非先锋树种叶片特征的差异