At the intersections , the photons can change paths with certain probabilities .

在通道交口处，光子有一定概率会变换路线。

He observed somebody hit a tennis ball and wondered about the paths of projectiles .

他看到别人打网球就会思考网球的行进路线。

He laid the gravel for these paths personally .

这些小路都是他亲手用沙砾铺成。

Commercial airliners around the world follow circuitous flight paths , waste time in holding patterns before landing and burn precious fuel taxiing .

全世界的商业航班的飞行遵循迂回路线，降落之前的姿态控制浪费时间，滑行过程中还要耗费宝贵的燃料。

But there are paths of european integration down which no government led by mr cameron ( or for that matter mr miliband ) could follow .

但是欧洲一体化中有几条路线是卡梅伦先生领导的政府（或者是米利班德先生领导的）不可能接受的。