Pentonic acid
[化] 戊糖酸\\n[医] 戊糖酸
🧩 词语组成解析
🗣️ 情景例句
It's Carl's birthday,
今天是Carl的生日，
This is a poem about frontier life in the United States.
这是关于在美国的边疆生活的一首诗。
I don't think you'll have any difficulty in pushing sales.
我认为你推销时不会有任何困难。