Pentonic acid
[化] 戊糖酸\\n[医] 戊糖酸
🧩 词语组成解析
🗣️ 情景例句
Typing is easy once you get the hang of it.
一旦你掌握诀窍，打字就很简单。
Constant dropping wears the stone.
滴水不绝可穿石。
It was usually very quiet, and he could see the park from his window.
那儿通常很安静，从他的窗户他可以看见公园。