Bursae
n. 囊, 粘液囊( bursa的名词复数 ); [医]（单bursa）囊, 粘液囊
🗣️ 情景例句
Special for new friends.
特地为新朋友准备的。
What have you decided?
你决定了什么？
I hate to interrupt a man when he's busy working,
当一个人在忙着干活时，我是不愿意去打断他的，