Undermethylation
甲基化不足
🗣️ 情景例句
Susan, I understand you're in the toy business. Susan
听说 ，是在玩具业工作。
I don't think so. I know several convenient hotels. Let me make some calls.
我认为没有，我知道有几家便利旅馆，让我打几个电话。
Number 64 Middle School.
64中学。