囊肿: hydatoncus; cystis (pl. cystides); hygroma (pl. hygromas); hygromata; cyst
跟: Ⅰ名词(脚的后部或鞋袜 的后部) heel 短语和例子鞋后跟 the heel of a shoe; 高跟儿鞋 high-heeled shoesⅡ动词1.(在后面紧接着行动) follow 短语和例子跟我学 follow me; 紧跟形势 keep abreast of the current situation; keep pace with the (new) sit