Keratomileusis
角膜磨削术
🗣️ 情景例句
But Alexandra and I
但Alexandra和我
He that would eat the kernel must crack the nut.
要把果仁吃，就得碎果壳。
No problem! Tell me, do I have to take them before or after meals?
“那不难！告诉我，我是在饭前还是饭后吃呢？”