Word塑料sùliàoMeaningplasticPart of speechnounPronunciationCourseHardcore ChineseLessonLesson 23Usages of sùliào空气kōngqì 污染wūrǎn 这么zhème 严重yánzhòng， 一yì 个gè 原因yuányīn 是shì 塑料sùliào 垃圾lājī 太tài 多duō。kōngqì wūrǎn zhème yánzhòng, yì gè yuányīn shì sùliào lājī tài duō.For air pollution to be this serious, one reason is that there is too much plastic trash.