Unsym.-dipropylurea
[化] 不对称二丙脲
🧩 词语组成解析
二丙脲
🗣️ 情景例句
Because the job was not challenging enough.
因为那份工作挑战性不够。
The crates are charge to you at $5 each if they are not returned to us within 2 weeks.
如果木条箱两星期内不归还，则每只箱扣罚五美元。
Is this a map?
这是一张地图吗？