噔噔声: as we travel by train or a gentle thump噌啉: [化学] cinnoline (1,2-二氮杂萘)嚆矢: [书面语]1.(带响声的箭) an arrow with a whistle attached2.(比喻事物的开端或先行者) beginning; forerunner; harbinger; precursor噌呋二酮: cinnofuron嚆矢维艰: the beginning is difficult噌西: zonishi噤: 动词1.[书面语] (闭口不做声) keep silent 噤口 shut one's mouth2.(因寒冷而发生的哆嗦) shiver 寒噤 shiver with cold噌戊唑酮: cintazone噤不能言: have lost one's tongue; one's lips refused to reply噌恶星: cinoxacin