The scientific investigation team found many mammoth fossils in the forest. 科考人员在森林中发现了很多毛象的尸骨化石。
These clouds also carry smoke from forest fires, soot from fossil fuels, calcium from deserts, and minute grains of sea salt. 这些云层同时还携带森林火灾的烟雾，化石燃料产生的烟尘以及海盐的微小颗粒。
