Sialoadenectomy
涎腺切除术
🗣️ 情景例句
What is it?
怎么回事
No possession, but use, is the only riches.
真正的财富不是占有，而是使用。
Many firms, for instance, have great difficulty in obtaining technical or scientific books from libraries
比如，很多公司向图书馆借阅科技书籍时感到很困难，