Bursae
n. 囊, 粘液囊( bursa的名词复数 ); [医]（单bursa）囊, 粘液囊
🗣️ 情景例句
I thought you were proud of the work I do.
我还以为你为我所做的工作感到骄傲。
Thank you for your attention.
谢谢大家专心聆听。
Just then, the gaoler appeared with the precious letter in his bands.
这时狱卒上场，手里拿着那封珍贵的信。