impure water

• 不纯水,不洁水

impure water的用法和样例：

例句

1. Why do we need High Purity Water for cleaning and rinsing?
   为什么要用超纯水作清洗和冲洗？
2. Extracting pure water from the salt solution can be done in a number of ways.
   从盐水中提取纯水的方法有若干种。