belt up英语标准发音：belt up英式发音：美式发音：翻译中文系紧腰带belt up - 基本释义[词典1]别出声安静些belt up - 英英词典VERB[动词]refuse to talk or stop talking拒绝说话或停止说话fall silent沉默The children shut up when their father approached当他们的父亲走近时，孩子们都闭嘴了close upclam updummy upshut upbutton upbe quietkeep mumbelt up - WEB词典belt up系上安全带系好带子系上腰带belt take-up紧带装置翻译紧带装置英语Fan belt take-up风扇皮带松紧装置 参考资料： 1.百度翻译：belt up2.有道词典：belt up3.爱词霸：belt up
