Dimethylated
二甲基化的
🗣️ 情景例句
Grandpa helped me yesterday afternoon.
昨天下午祖父帮我的忙。
It really depends on when.
那得看什么时候。
There, a child grows up under the ever-present attention of his parents;
荒凉地区的孩子无时无刻不在父母关怀下成长。