improper相关的词根或词缀是: properpropri

Improper human waste disposal is causing food and water contamination .

人体排泄物的不当处置导致食物和水受到污染。

Huawei and zte have denied receiving improper subsidies .

华为和中兴否认得到不正当补贴。

Indigestion is a common result of improper food combining .

不适当的食物组合导致的共同结果是消化不良。

As malaria rates drop , tests can prevent improper treatment that might breed resistance .

随着疟疾发病率的下降，检测可以防止患者获得不合适的治疗方案，以至于病人产生抗药性。

Improper disposal of condoms contributes to litter problems , and the roman catholic church generally opposes condom use .

不合适的处理废弃的避孕套造成的垃圾问题，罗马的天主教一般反对使用避孕套。