Malonyl usea
[医] 丙二酰脲, 巴比土酸
🧩 词语组成解析
[医] 丙二酰[基]
[医] 脲, 尿素
🗣️ 情景例句
I can't put my finger on what exactly makes a written piece a classic.
我不知道什么使一篇著作成为经典。
His thinking is behind the times.
他的想法赶不上时代。
Is she at school today?
她今天上学来了吗？