If something is grooved, it has a groove — a long, narrow cut — or several of them.

If something is如果某個東西是groovedgrooved（有溝槽的）it has a groove代表它有 groovea long, narrow cut一道細長的刻痕or several of them或好幾道

A grooved tyre has channels so water can run off. A grooved board has a line cut so another piece can fit. An old music record is grooved: the needle sits in that spiral track.

A grooved tyre有溝槽的輪胎has channels上有溝道so water can run off讓水可以流出去A grooved board有溝槽的木板has a line cut上刻了一道線so another piece can fit好讓另一塊木頭可以卡進去An old music record老式的黑膠唱片is grooved也是有溝槽的the needle sits in that spiral track唱針就是卡在那個螺旋狀的軌道裡

It is just groove with -ed on the end: either “it has grooves” or “someone cut grooves into it.” Ordinary, physical, used by builders, drivers, and anyone holding an old record.

It is just groove with -ed on the end它就是 groove 加上 -edeither "it has grooves"意思是「它有溝槽」or "someone cut grooves into it."或是「有人在上面刻了溝槽」Ordinary, physical是個很普通、很實體的字used by builders, drivers, and anyone holding an old record蓋房子的人、開車的人，還有拿著老唱片的人都會用

Though actually, people also stretch it when nothing has been cut at all. In sport, a grooved swing means the movement has settled into a repeating path, as if the body found a track and stayed in it.

Though actually不過其實people also stretch it人們也會把這個字用得更廣when nothing has been cut at all就算什麼都沒被刻過In sport在運動裡a grooved swing meansgrooved swing 指的是the movement has settled into a repeating path動作已經固定成一個重複的路徑as if好像the body found a track and stayed in it身體找到一條軌道並一直待在裡面

That stretch is more informal. The home meaning is still the cut you can see or feel.

That stretch is more informal這種延伸用法比較口語The home meaning is still它本來的意思還是the cut you can see or feel那種你看得到或摸得到的刻痕