[00:05.32]reduction:n.减少，削减；缩小；下降；简化 [00:07.44]refine:vt.精炼，提炼；使完善；使精练，使优美；vi.被提纯；琢磨 [00:09.55]refugee:n.难民，流亡者 [00:11.67]refusal:n.拒绝，推却；优先取舍权...
