Xrn
abbr. X-linked recessive nephrolithiasis X-连锁隐性肾石病
🗣️ 情景例句
Well, a wristwatch,
嗯，一个手腕表，
A fool always rushes to the fore.
傻瓜总爱强出头。
I'm afraid all these offices are non-smoking offices.
恐怕这些办公室都是禁烟办公室。