bugle
词根词缀：
词根
bu= ox 牛
bucolic adj. 牧人的；田园的
bu 牛 + col 共同 + ic …的 → 牧人的；田园的
buffalo n. 水牛
bugle n. 军号；喇叭
bu 牛 +〔an〕gle 角 → 牛角做的军号 → 军号
bull n. 公牛
bully v. 欺侮（别人）
bull 公牛 + y 表行为 → 像公牛一样吓唬别人 → 欺侮
数据来源：新东方英语词汇速记大全
相关例句：
At the bugle, we jumped out of bed and went out to do the morning exercises.
听到号声，我们跳下床，出去做早操。
He roused up from sleep when the bugle sounded.
号声响时，他从睡梦中惊醒。
When he heard the bugle call, he caught up his gun and dashed out.
他一听到军号声就抓起枪冲了出去。
Literature and art is the torch of national spirit and the bugle call for people's advancing.
文艺是民族精神的火炬，是人民奋进的号角。
Look at this scout, he was the bugle boy too.
瞧这个童子军，他也是个号角手。
As the bugle sounded we ran to the sports ground and fell in.
号一响，我们就跑到运动场集合站队。