1. 沙蚕：clamshell 蛤壳 | clamworm 沙蚕 | clan 部落
2. (沙蚕科之环节动物)沙蚕：clamshell || 蛤壳, 蛤壳式挖泥机 | clamworm || (沙蚕科之环节动物)沙蚕 | clan || 部落, 氏族, 宗族, 党派