N,5-hydroxymethyltetrahydrofolic acid
[化] N,5-羟甲基四氢叶酸
🧩 词语组成解析
🗣️ 情景例句
How do you keep in shape?
你怎么保持身材？
I'm awfully sorry.
真是对不起。
My father was shocked.Now we are not allowed to touch it.
我父亲大为吃惊，不许我们再动它。