字典網>> 英漢字典>> S開頭詞條>>secondary ectoderm的意思 漢英字典secondary ectoderm中文翻譯：【醫】 次級外胚層secondary ectoderm英文字典相關詞條：secondary elaboration secondary conditioned reflex secondary current secondary quenching secondary enamel secondary bronchi secondary memory secondary banking sector secondary network support secondary fibers