imperfection
n.不完美；缺点，瑕疵
网络解释.缺陷；不完整性；不完全性；瑕疵
词形变化:
复数：imperfections
weakness shortcoming defect bubble
perfection
双语例句
1. 1 . Such was the ideal; the occasional conflicts were due to human imperfection .
这样的分工是完美的, 偶尔的冲突是人类的缺点所致.
来自英汉非文学 - 文明史