N,5-hydroxymethyltetrahydrofolic acid
[化] N,5-羟甲基四氢叶酸
🧩 词语组成解析
🗣️ 情景例句
Come in!
进来，
They had to cut down a lot of trees to make room for farms.
他们为了为农场增加空间不得不砍倒很多树。
How much more?
还要多下多少？