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1. 加快速度：fire department n.消防队, <英>火灾保险公司 | pick up speed 加快速度 | villain n.坏人, 恶棍,反面角色,流氓
2. 加速：out of the question 不可能的,办不到的 | pick up speed 加速 | piece together 拼合
1. The chamber said in a report that retail sales will pick up speed this year with the residents'disposable income continuing to rise.
2. Reform of the international monetary system also needs to pick up speed.
3. The incredible engine that is the American economy began to pick up speed once more.