Udn
abbr. ulcerated dermal necrosis 皮肤坏疽溃疡
🗣️ 情景例句
Better than that.
比那种事更值得高兴。
Have you send him any pencils?
你送他铅笔吗？
The contract will be sent to you by air mail for your signature.
合同会航邮给你们签字。