Mr Powell-Taylor says that depopulation exacerbates the problem...鲍威尔-泰勒先生说人口的急剧减少使得该问题更加严重。Stripping the land in these ways allows faster surface runoff and exacerbates flooding.这些做法终将使土地裸露、地表径流加快,从而加重了洪水的威胁.Mr Powell-T...
Sapwood contains xylem vessels, but not as strong as heartwood.边材含有木质导管, 但不如中心木质那样坚硬.Heavy wood with dark colored heartwood used for ornaments.重硬且心材呈浓色者可供作木艺品制造用.Heartwood from dark brown to purple brown, alternating str...
照片应该图像清晰，颜色逼真，构图合理。Pictures should be in focus, with realistic colours and well composed groups.它可以把从地图或遥感设备中得到的数据转化成为图像。It can translate data from maps or remote sensing instruments into images.视听图像aural and visual imag...