Xrn
abbr. X-linked recessive nephrolithiasis X-连锁隐性肾石病
🗣️ 情景例句
What do we do for a midnight snack?
我们夜宵吃点什么？
Judge not a book by its cover.
评定一本书，不能凭封面。
Ours is a fairly new country, so our cities and towns are modern.
我们的国家是个很新的国家，所以我们的城镇很现代化。