Ulcus scorbuticum
[医] 坏血病性溃疡
🧩 词语组成解析
溃疡
🗣️ 情景例句
Hi. Michelle,
嗨， Michelle，
Tell me where I can post them.
请问，哪里有投信的邮筒？
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，