At intervals 和 at the interval.
the clock strikes at intervals of an hour.然后interval
in the interval和in the intervals 有什么区别么?
英语翻译2.40\x05To test at regular intervals any battery operate
at the moment 和at the minute
求高手翻译一段话哈Images may be sampled at intervals on a fixed grid
1.I____the piano at regular intervals for many years when i
at weekends和at the weekend 区别
at table和at the table?区别
at class 和at the class区别
at church和at the church 区别
at ten at night 和at seven in the evenin
at the library at the mall at school at the pool 和 in the li