物理治疗师建议通过轻柔的拉伸来促进肌肉的伸长。

The physiotherapist recommended gentle stretching to promote ___elongation of the muscles.

瑜伽练习有助于脊柱的伸长和柔韧性。

Yoga practice helps with the ___elongation and flexibility of the spine.

金星今天达到了与太阳的最大角距，亮度达到最亮。

Venus is at its brightest today when it reaches maximum ___elongation from the sun.