Pentonic acid
[化] 戊糖酸\\n[医] 戊糖酸
🧩 词语组成解析
🗣️ 情景例句
What's your second language in addition to Chinese?
除了汉语以外，你的第二语言是什么？
What day is today?
今天是星期几？
They play it like this, six students stand in a row in front of the class.
6个学生在全班前面站成一排。