请问several inches long.是什么结构,long是什么词性?

请问several inches long.是什么结构,long是什么词性? inches是什么意思 inches是什么意思 several several several several several 请高手找出这句话的语法错误,为什么?thicknessThe cork oak tree has a layer of cork several inches thickness that can be stripped every ten years. lon:149130.80881944444lat:149130.80881944444 运用matlab处理数据时发现经纬度是双精度,meshgrid就报错,请问怎么用quiver绘制风场图?用meshgrid(lat,lon)就报错了.然后我看那个帖子发现meshgrid（lat,lon）里面的lat与lon都是一纬的?而我下的数据是 请问several of the people和several people 有什么区别 Sixty inches is five f____.请问f后面应该接什么?..硪跪下来求你们了...呜呜... 请问“英寸”的英文“inch”有复数吗?是加es吗?如 2 inches 对否 英语翻译Once upon a time,there laid two grains of sand on the deep sea.They are distant from each other only three inches.One of them falls in love with the other one day.He gazed at his beloved at three-inches away,passing several years in calm 英语翻译There are many interesting stories about the strange things that tornadoes have done in the U.S Common wheat straw has been driven several inches into posts and trees. geographic lat/lon projection是什么意思 Coordinates:Lat/Lon(WGS84)是什么意思