Leucoplakia
白斑病
🗣️ 情景例句
Although we hadn't met for 25 years, I recognized him the minute I saw him.
尽管我们有25年未见面了，我一看见他就认出来了。
I ask him to see the doctor.
我要求他去看医生。
No. Where's Jim? asked Ann.
“没有。吉姆在哪儿？”安问。