Prk
abbr. 準分子激光角膜切削術（Photorefractive Keratectomy）；朝鮮（People's Republic of Korea）
??? 情景例句
You've been a very helpful.
你幫了大忙。
Though malice may darken truth, it cannot put it out.
惡意可以遮暗真理，但不能抹殺真理。
'What a pity!' Susan exclaimed.
“真可惜！”蘇珊大聲說。