Lasik
abbr. 镭射视力矫正手术（Laser Assisted In-situ Keratomi）
🗣️ 情景例句
I just don't know what to say.
我真不知该说什么好。
In college I majored in economics, What was you major?
大学时我主修经济，你主修什么呢？
I'm afraid the item you substituted didn't work.
你这代替品恐怕不能用。