Sacral bursae
[医] 骶部囊
🧩 词语组成解析
a. 祭典的, 圣礼的, 神圣的, 骶骨的\\n[医] 骶骨的
n. 囊, 粘液囊( bursa的名词复数 ); [医]（单bursa）囊, 粘液囊
🗣️ 情景例句
The security guard asked the stranger for some I.D.
保安要求陌生人出示身份证。
How long have you been studying English?
你学英语多久了？
There's something wrong with my left shoulder. I hurt it while I was doing gym. I've got a pain here too.
我的左肩疼痛。我做体操时受伤了。这里也疼。