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
Great! Pass me the hammer.
很好！把钉锤给我。
Why was only he exempted from work?
为什么只有他不必工作呢？
Oh, look! said Ann. What's that? She pointed at one of the things.
“看啊！”安说，“那是什么？”她指着一件展品问。