白细胞增多

例句：

1. 1. He was diagnosed with leukemia, which means his white blood cells were significantly increased.
   他被诊断出患有白血病，这意味着他的白细胞数量显著增加。
2. 2. Doctors often recommend a healthy diet and exercise to help reduce the risk of leukemia.
   医生通常建议健康饮食和锻炼来帮助减少患白血病的风险。
3. 3. In some cases, leukemia can be caused by environmental factors such as radiation exposure or pollution.
   在一些情况下，白血病可能由环境因素如辐射暴露或污染引起。