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 article discusses the determination and quality of angular bis...
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...
We took tea by lamplight in his sparsely furnished house.在他那所少有陈设的房子里,我们坐在灯下喝着茶。It is easier to read by daylight than by lamplight.在日光下读书比在灯光下读书舒适.Her cheeks glowed red in the lamplight.她的双颊在灯光下变得通红。We took tea by lampli...