很好的脖颈长度与肩膀汇合，水平的背线，优美的步态。

Good length of neck flowing into well laid back shoulders and a level firm back which she held beautifully on the move.

youdao

从侧面观察，步幅大，前肢的伸展非常顺畅而平滑，使背线保持水平和稳固。

Viewed from the side, the reasonably long, ?reaching? stride is smooth and even, keeping the back line firm and level.

youdao

正确的小跑，背线必须保持稳固、水平，不能摇摆、滚动、甩动、或拱起。

At full trot, the back must remain firm and level without sway, roll, whip or roach.

youdao