mal self-focusing热自聚焦
mal-operation错误操作;错误操作不正确运行;误操作
mal-distribution分配不均匀
MAL-PDT光动力疗法
Choe Mal-li崔万里
MAL-PAUX马尔罗
malfunction mal-function故障
malnutrition mal-nutrition营养不良的
mal-adaptability不良适应
PREFIX（前缀） Mal- is added to words in order to form new words which describe things that are bad or unpleasant, or that are unsuccessful or imperfect. 用于构词，表示“坏的”、“不好的”或“不成功的”
Forty percent of the population is suffering from malnutrition.
百分之四十的人口营养不良。