Climate change has raised average temperatures in the Central Highlands region of Kenya, allowing the disease tocreep into higher altitude areas where the population has little or no immunity.
气候变化导致肯尼亚中部高地地区平均温度的上升，这使得这种疾病蔓延到高海拔地区。
2
Mistakes were starting tocreep in.
不知不觉间，开始出错了。
《牛津词典》
3
As she became more tired, errors began tocreep into her work.