sacrum
🇺🇸
/ˈseɪkrəm/
🇬🇧
/ˈseɪkrəm/
noun
R
A large, triangular bone at the base of the spine, forming part of the pelvis.
The athlete's injury affected his sacrum, causing him significant discomfort.
这名运动员的伤害影响了他的骶骨，导致他感到明显的不适。
translation
骶骨
词形变化
Plural
sacra