The woolly spider monkey is the largest primate in the Americas.绒毛蛛猴是美洲最大的灵长类动物。14 per cent of primate species are highly endangered.14%的灵长类物种处于高度濒危状态。14 percent of primate species are highly endangered.14%的灵长类物种处于高度濒危状态...
In experimenting we find out that sound travels with different velocities through different substances.在实验中,我们发现声音以不同的速度通过不同的物质而传播.I enjoyed experimenting with colours — it took me back to being five years old...我喜欢尝试各种颜...