bisected怎么读？

The portals of the great western front are bisected by square pillars.正西那些大门都由方柱拦成两半.These lines are bisected by x - and t - axes.这些直线被x轴和t轴所等分.The landing aircraft had bisected their own runway.正在着陆的飞机从横里切过他们的跑道....

v.把…一分为二，把…二等分( bisect的过去式 )，与…相交叉...