1. Retroflexion Yang Chang, put salt of right amount oil to boil feed. 翻转羊肠,放适量油盐煮食。
2. If portable cushion, had better retroflexion every week, make wear away to distributing equably. 若是可移动的垫子,最好每周翻转一次,使磨损均匀分布。
3. Cushion can turn over changeover to use, answer to retroflexion every week, make wear away to distributing equably. 垫子可翻转换用,应每周翻转一次,使磨损均匀分布。
英英解释
n.
1. a turning or tilting backward of an organ or body part
2. an articulatory gesture made by turning the tip of the tongue back against the roof of the mouth
3. the act of bending backward