久久国产欧美日韩精品,日韩国产精品久久久久久亚洲,99视频精品全部免费免费,91精品国产综合久久走光

“薯蕷科”的英語可以翻譯為：[醫(yī)] Dioscoreaceae ...

淮山屬薯 蕷 科薯蕷屬多年生蔓性塊莖類植物,是一種藥食兼用的高效經(jīng)濟(jì)作物.Yam ( Dioscorea ) was an efficient crop, it's tuber can used to be food and medicine....