Xrn
abbr. X-linked recessive nephrolithiasis X-连锁隐性肾石病
🗣️ 情景例句
Susan, will you marry me?
Susan，你愿意嫁给我吗？
Misfortunes test the sincerity of friends.
患难见友情。
Brevity is the soul of wit.
简洁是智慧的精华。