flute例句
The boy trilled on a flute..男孩在长笛上吹颤音。
flute英语解释长笛；【工程设计】(刀具的)出屑槽英释中释na musical instrument like a thin pipe, that you play by holding it across your lips, blowing over a hole, and pressing down buttons with your fingers
flute短语和解释reed flute cave,芦笛岩.短语
