pipe up片语动词KK [paɪp ʌp] /paɪp ʌp/发音片语动词1开口说话、插话、忽然说道口语A small boy at the back piped up with a strange question.后排一个小男孩忽然开口,问了个奇怪的问题。2尖声说、高声说"I can do it myself!" she piped up from the kitchen.「我自己会做!」她在厨房里尖声喊道。3奏起、唱起The band piped up as soon as the doors opened.大门一开,乐队就奏起乐来。用这个字练口说→