英语语法分析

Police say heavy rainfall is the likely cause of the landslide[s] in central Selangor state.

警方称，造成雪兰莪州中部山体滑坡的可能是连日暴雨。

Scientists at the Forest Research Institute Malaysia have been photographing fireflies populations monthly along the Selangor River.

马来西亚森林研究所的科学家曾经摄制了每个月沿雪兰莪（马来西亚西部的州，首府沙阿兰）河行进的萤火虫的数量。