Dibutyl urea
[化] 二丁脲
🧩 词语组成解析
[机] 二丁基
urea
[['juəriə]]
n. 尿素\\n[化] 脲; 尿素
🗣️ 情景例句
Excuse me. My name is Richard Stewart.
对不起 我叫Richard Stewart。
Better die with honour than live with shame.
与其忍辱偷生，不如光荣而死。
He was late again. It's typical of him to keep everybody waiting.
他又迟到了。他的特点就是让别人等他。