phylum
🇺🇸
/ˈfaɪləm/
🇬🇧
/ˈfaɪləm/
A major category of classification in the animal and plant kingdom, above class and below kingdom.
Biologists study the various phyla to understand the evolutionary relationships among different species.
生物學家研究各種門以了解不同物種之間的進化關係。