polyurethane例句_释义
polyurethane 朗读
polyurethane
音标：pɒli'jʊərəθeɪn
polyurethane翻译
polyurethane双语用法和例句
相关单词
polymelia precordial potamic protonephridium picofarad paddybird princedom piezomagnetism pomiculture promptness pluperfect phonetic polyether pennant proembryo pastromi pathan punty pali protect