Heels not only have to be the right height but in the right position: not too far back, but under the centre of the heel so they support your weight properly, following the natural line of your body.

鞋跟不仅要有一个合适的高度，也需要在正确的位置上：不能太靠后，要在脚后跟的中心，这样的鞋跟才能沿着你的身体曲线有效地支持你的体重。

youdao

The important thing here is to lock & align the nested generic model to the centre left/right , centre front/back reference planes.

很重要的一点是要把载入的通用模型锁定并排列在参考平面中心的前/后，左/右。

youdao

Lauren from midfield to right back, toure from midfield to centre back, Henry, pires, Ljungberg, Song and it goes on.

劳伦从中场到了右后卫，图雷从中场到了中卫，亨利，皮雷，永贝里，宋都是如此。

youdao

Losing the excellent Bacary Sagna to injury was a blow, but did Wenger make the right decision in moving Kolo Toure from centre-back to right-back?

BBC: Arsenal style earns scant reward

United's reshuffled defence, which saw substitute Owen Hargreaves come on at right-back and Wes Brown moved to centre-back, had coped well with Chelsea's threats.

BBC: Chelsea 2-1 Man Utd

The former Manchester City striker took a Crosas pass and drove down the right flank, leaving centre-back Frazer Wright trailing in his wake before cutting in to the box and drilling the ball past Combe.

BBC: Kilmarnock 1-3 Celtic