Undermethylation
甲基化不足
🗣️ 情景例句
I do, too.
我也一样。
It's a deal!
一言为定！
Oil rigs have to be repaired frequently and divers,who often have to work in darkness a hundred feet under water,
钻井平台需要经常修理，潜水员常常要在水面100英尺以下摸黑工作，