“环行”的拼音为：huán xíng...

沿着这条环行线路走一圈，河的两边都可以看到。Both sides of the river can be explored on this circular walk.这是环行铁道.It is a circular railway.月亮绕地球环行.The moon circuits round the earth....

“环行”的英语可以翻译为：go in a ring，circumnavigation，circuit，round ...