We hosed down the car before we waxed it.我们在给汽车打蜡前必须先冲冲车.The bridge had been hosed down by the fire department.桥已被消防部门用水龙冲洗过了.The sidewalk was hosed every day to keep it clean.人行道每天都用水管冲刷以保持清洁....
This course consists of two lectures and three tutorials every week.这个课程每周包括两次讲座和三次辅导课.The tutorials have helped many get through high school.个别辅导帮助许多学生读完了中学.The methods of study include lectures, tutorials, case studies...