他们沿校墙挖沟.They dug a dike along walls of the school.挖沟以排水.Dig trenches to drain away the water.他们挖沟以阻止森林大火蔓延.They dug trenches to keep the forest fire from spreading....

“挖沟”的拼音为：wā gōu...

“挖沟”的英语可以翻译为：ditch (up)，ditching ...