剑桥词典the last part of something that is being done （事情的）最后一部分 It's taken three months , but we're on the home straight now. 到目前为止已经花了3个月的时间，不过我们现在已经在做最后一部分了。 the last part of a race （赛跑的）最后阶段 返回 the home straight