phylum

详细解释:n. (生物分类上的)门, 语系
【医】 门[生物分类]

词型变化：

名词复数:phyla

英语解释：

名词 phylum:

(linguistics) a large group of languages that are historically related(biology) the major taxonomic group of animals and plants; contains classes

例句：

The mollusc phylum includes all soft-bodied animals without backbones.软体动物门包括所有无脊椎的软体动物。