plastic things.可数吗

plastic things.可数吗 PLASTIC可数吗 plastic塑料 是否可数? plastic是可数还是不可数?这句“.and fewer take plastic.中是可数的吗?还能举些例子, living things是可数名词吗 为什么如题 plastic tape可数吗?即”胶带“可数吗?能详细解释吗?老师上课只是提到了一下，没仔细讲，我怕会考 plastic plastic plastic plastic plastic plastic plastic Nowadays plastic is used to make many things(保持原句意思不变)Nowadays plastic is used ____ ________many things 氙气灯中有plastic adjuster吗?plastic adjuster是什么意思呢? 单词free（自由）是可数名词吗?有句歌词：The best things in life ,they are free . metal and plastic are living things meh?if they are living things,why are these things called living thing.please answer in english.please. plastic的发音,中文打出来.plastic里的t变音吗?