“不纯”造句
许多蕴藏量太小, 质地太
不纯.
Many of the deposits are too small, too impure.
主张语文纯正的人哀叹语言趋于
不纯.
Purists bemoan the corruption of the language.
以为亚细胞组分很纯而实际
不纯的情况,一直是植物化学家感到难办的问题.
The impurity of supposedly pure subcellular fractions is a constant threat to the plant biochemist.