Lasik
abbr. 镭射视力矫正手术（Laser Assisted In-situ Keratomi）
🗣️ 情景例句
we are gathered here today
我们今天聚集在这，
When the well is full, it will run over.
井水满了要溢出。
Good afternoon, class! Who's on duty today?
同学们，下午好！今天谁值日？