tree protectors of metal树木: arbor; trees金属: metals genus保护: protect; defend; guard; safe ...器: implement; utensil; ware金属保护: metal coating; metal protection下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:树木金属保护器，即可在微信中查询翻译
