an up是run up的过去时 run up 升起 They ran up a flag in honor of the president's visit. 为了欢迎总统的来访,他们升起了一面旗子. (使)增长 His debts ran up alarmingly. 他的债务惊人地增长. 迅速地登上; 沿…迅速地移动 A sudden pain ran up her leg. 一阵突然的疼痛顺着她的腿蔓延开来.
run up 1.升起 They ran up the national flag. 他们升起了国旗。 2.匆匆制成 I ran this dress up in one evening. 我用一个晚上的时间匆匆缝好这件衣服。 3.积欠 She ran up a large bill. 她积欠了一大笔账。 ...