Types of eggs: 鸡蛋 (chicken egg — the most common), 鸭蛋 (duck egg), 皮蛋 (century egg/preserved egg), 茶叶蛋 (tea egg — a popular street snack). 蛋糕 (dàngāo) means cake.
culture
Tea eggs (茶叶蛋) are eggs boiled in tea, soy sauce, and spices — you can find them at convenience stores and street stalls across China. The cracked-shell pattern is part of the charm.