pellagra
n[U]
(medical 医) disease that causes cracking of the skin and often leads to insanity 糙皮病.
🗣️ 情景例句
Thank you.
谢谢。
You are equipped with new knowledge, new ideas, and new insights.
你们拥有新知识、新思想、新眼光。
Professor Karl von Frisch, an Austrian scientist, spent many years of his life researching the amazing ways honey bees communicate in their dark hives.