any of various worms living parasitically in intestines of vertebrates having a retractile proboscis covered with many hooked spines
双语例句
1. The over-dispersion of the acanthocephalan population in host different body length groups was found, and the degree of the aggregation increases with the increases of mean abundance.
棘头虫种群在宿主不同体长组的分布类型为聚集分布，且聚集强度随棘头虫的种群平均丰度增加而增加。
youdao
2. The over-dispersion of the acanthocephalan population in host different body length groups was found, and the degree of the aggregation increases with the increases of mean abundance.
