Undermethylation
甲基化不足
🗣️ 情景例句
How did you get on in your exam?
你考得怎样？
We have an extended warranty available at extra cost.
对于额外价钱我们有较长的保证期限。
We'll have a look at the woolen ones, thank you.
我们就看看羊毛衫吧，谢谢。