0 a genetic disease in which there is not enough of a substance called factor IX in the blood, so that the person cannot stop bleeding after an injury -- 克里斯马斯病，乙型血友病，血友病B
中文繁体
乙型血友病，血友病B…
最新单词
European
2021年8月16日
每日一词
Shimmer
Christmas disease
