Udn
abbr. ulcerated dermal necrosis 皮膚壞疽潰瘍
??? 情景例句
Thanks for trying.
謝謝你盡了力。
She passed her competitive examination not without difficulty.
她好不容易才通過了答辯考試。
Shall we go to the park?
我們去公園玩好嗎？