mid-14c., imperfite, from Old French imparfait, from Latin imperfectus "unfinished, incomplete," from assimilated form of in- "not, opposite of" (see in- (1)) + perfectus (see perfect). Replaced mid-16c. by the Latin form. Related: Imperfectly.
实用例句
1. Human perception is highly imperfect and by definition subjective.
人的感知具有高度缺陷，而且天性主观。
来自柯林斯例句
2. We live in an imperfect world.
我们生活在一个并不完美的世界上。
来自柯林斯例句
3. an imperfect understanding of English
对英语的不透彻理解
来自《权威词典》
4. Soot is the product of the imperfect combustion of fuel.
煤烟是燃料不完全燃烧的产物.
来自《简明英汉词典》
5. Soot is usually the product of the imperfect combustion of fuel.