指示: 1.(指给人看) indicate; point out2.(指示下级) instruct 短语和例子指示某人做某事 instruct sb. to do sth.3.(指示的话或文字) directive; instructions 短语和例子发出指示 give instructions; 接到指示 receive instructions4.(显示) direction
频: Ⅰ形容词(次数多) frequent 短语和例子这儿春季雨很频。 rains are frequent here in spring.Ⅱ副词(屡次) frequently; repeatedly 短语和例子捷报频传。 reports of new victories keep pouring in.Ⅲ名词1.[物理学] (物体每秒钟振动的次数) frequency 短语和例