相关单词近义词 approach 靠近, lead-in 导入, introduction 介绍, buildup 集结, run 跑, advance 前进, runup 上坡(起转临近词run, Runze相似词run-down, run-in, run-of-the-mill, run-through, run/go deep idiom, run/go like clockwork idiom, runabout, runaround, 返回 run-up