狠狠撸

wind direction aero vane air temperature wind socks wind speed thermometer wind vane wind velocity weather instruments anemometer clouds rain gauge amount of rainfall meteorology meteorologist atmosphere weather elements troposphere weather pagasa phalanges carpals skull humerus marrow spongy axial skeleton compact bone bone marrow red blood cell composition cancellous bone glue collagen fats appendicular skeleton structure skeletal skeletal system bones light-years magnitude color and brightness of stars life cycle characteristics of stars size temperature