同根派生 pipe up相關(guān)詞英漢例句Mary is so shy, and everyone was surprised when she piped up with a complaint at the club meeting.瑪麗一向很怕羞，當(dāng)她在俱樂(lè)部會(huì)議上大發(fā)牢騷時(shí)，大家都很吃驚。pipe up更多例句