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 expect that I will be back on Sunday.
我预计星期日回来。
How far is it to the university?
它离大学多远？
She left home when she was eighteen and has lived in Los Angeles for the past fifteen years.
18岁时，她离开了家。过去的15年里她一直住在洛杉矶。