字典網>> 英漢字典>> Y開頭詞條>>yolk cavity的意思 漢英字典yolk cavity中文翻譯:【醫】 卵黃腔yolk cavity字典網相關詞條:yolky yolk cells cleavage yolk epithelium yolk-sac placenta yolk blastopore yolk cells yolk yolk plug yolk nuclei yolk-sac endoderm