The teacher used the structure of a beehive as an analogical example to explain human society.

analogical 是形容词，由名词 analogy（类比、相似）加上形容词后缀 -ical 构成。analogy 来自希腊语 analogia，表示"比例、相似"的意思。analogical 表示"类比的、比喻的"，指通过相似性来说明或解释事物。