creeping phenomena

例句：

1. 1.The scientists observed the creeping phenomena of the new species.
   科学家们观察到了新物种的爬行现象。
2. 2. The forest was covered in a thick layer of moss, which made it difficult to see over the creek.
   森林里覆盖着厚厚的一层苔藓，这使得越过小溪变得很困难。
3. 3.The researchers found that the creeping phenomena were caused by the presence of bacteria.
   研究人员发现，爬行现象是由细菌的存在引起的。