snowflake structure造句

:: : : " Graupel " is rather like hailstones only a bit less dense, each pellet being a snowflake with an accumulation of rime ice . " Graupel " is sometimes called " soft hail " A good website about snowflake structure can be found at [ http : / / www . its . caltech . edu / ~ atomic / snowcrystals / primer / primer . htm A Snowflake Primer . . . The basic facts about snowflakes and snow crystals and A Guide to Snowflakes . . . A look at the different types of falling snow.
It's difficult to find snowflake structure in a sentence. 用snowflake structure造句挺难的