Let OC be the bisector of angle AOB.OC为AOB的角平分线.A perpendicular bisector of a chord passes through the centre and bisects the arc.弦的垂直平分线经过圆心,并且平分弦所对的两条弧.the angular bisector角平分线The article discusses the determination an...
她穿着一件有花边的白色上衣和一条蓝色天鹅绒裙子。She was wearing a white ruffled blouse and a blue velvet skirt.镶有花边的桌布a tablecloth edged with lace她的裙子饰有花边.Her skirt was trimmed with lace....
委内瑞拉实行的固定官方汇率为1美元兑2.15博利瓦.Venezuela has a fixed official exchange rate of 2.15 to the dollar.该国居民向外汇交易商兑换美元,以防范通货膨胀或是本国货币博利瓦贬值的风险.Residents seeking protection against inflation or a devaluation of the bolivar turn to cur...