R 開(kāi)頭單詞
running-water community [生物學(xué)]流水群集
running-track n.跑道
running-shoes n.跑鞋
running-out period [土木建筑工程]運(yùn)行結(jié)束期
running-out n.慣性運(yùn)動(dòng)
running-on 套羅口
running-mate 競(jìng)選伙伴
running-light 空載運(yùn)行
running-in period [機(jī)][車輛] 磨合期 跑合期 走合期
running-in n. [機(jī)][車輛] 磨合（等于breaking-in，wearing-in）；試運(yùn)轉(zhuǎn)；慎行；配研
running-idle 空轉(zhuǎn)
running-hand calligraghy style [藝術(shù)學(xué)]行草書(shū)風(fēng)
running-down of business [經(jīng)濟(jì)學(xué)]縮減業(yè)務(wù)
running-down clause [交通運(yùn)輸工程]船舶碰撞條款
running-board n.(汽車等車輛的)腳踏板
running water n. 自來(lái)水；活水