to travel along a route that was not originally intended, or to move outside a limited area

A herd of cattle had strayed into the road. 一群牛偏了道，上了公路。

They got lost when they strayed too far from the path. 他们偏离小路太远，迷了路。

The ship strayed off course during the storm. 船在暴风雨中偏离了航道。

to start thinking or talking about a different subject from the one you should be giving attention to

I think we've strayed too far from our original plan. 我想我们偏离原来的计划太远了。

Sorry - I've strayed from the subject. 对不起——我跑题了。

a pet that no longer has a home or cannot find its home

a stray dog 流浪狗

"Who owns that cat?" "I don't know. I think it must be a stray." 那只猫是谁的?"我不知道。我觉得它肯定是只流浪猫。

Stray things have moved apart from similar things and are not in their expected or intended place.

There are still a few stray spots of paint on the window pane. 窗玻璃上还有零星的几个油漆点儿。

Several journalists have been killed or injured by stray bullets while reporting on the civil war. 有几位记者在报道内战时因被流弹打中而丧命或负伤。