Keywords Urechis unicinctus;sulfide;tolerance;sulfite;thiosulfate;cytochrome c oxidase;fumarate reductase;coelomic cell;

• 单环刺螠;硫化物;耐受;亚硫酸盐;硫代硫酸盐;细胞色素氧化酶;延胡索酸还原酶;体腔液细胞;