短语词组短语pine -wood grape 美国南部矮葡萄PINE MATURE WOOD 松树成熟材pine dead wood treatment 处理病死木pine wood nematode disease 松材线虫病pine wood pellet 颗粒pine wood tests 翻译pine wood cellulose 水解纤维素knotty pine wood 靛根 返回 pine wood