Several diseases show improvement when patients their intake of these essential fats.

有几种疾病的病人，当他们提高这类必须脂肪酸的摄入量时，他们的病情有所好转。

The State Department countered the accusation with a blizzard of statistics purporting to show improvement.

国务院用大量自称能说明工作有所改进的数据驳斥这一指责.

When the employee does not show improvement within a reasonable time after the interview, the department supervisor should not wait for the completion of the three-month trial period.

在绩效面谈后，该员工仍无法在合理的期间内改善工作绩效，部门主管不必等到三个月试用期满才采取必要行动。