Keratomileusis
角膜磨削术
🗣️ 情景例句
When are they coming?
他们什么时候来？
Good morning, dear.
早，亲爱的。
Mainframe computers were very large indeed, often occupying whole air-conditioned rooms,
计算机主机确实很大，常常占据了装有空调的多间房间，