一根小细棍是直的但有时看上去弯屈，这里有什么不对头的，有什么哪怕微微让人惊讶的？

What is wrong, what is even faintly surprising, in the idea of a stick's being straight but looking bent sometimes?

youdao

就像一辆车减速一样，在后弯之后前屈之前，脊柱也需要一些时间来恢复到中立状态。

Like a car gearing down, the spine needs some time to return to neutral after back bending before moving into forward bending.

youdao

在基础培训的基础上，深入具体分析站立，前屈，后弯，扭转，倒立，放松等体式的根基。

Based on basic training, in-depth analysis of specific standing, flexion, backward bending, torsion, inverted, relax type foundation.

youdao