black rubber变黑: blackening; blacking; subdui ...生胶: rubber; vulcanizate变黑: blackening; blacking; subduing; blacken; darkening生胶: (raw) rubber; vulcanizate◇生胶片 sheet rubber; 生胶质 collagen黑生料: black meal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:变黑生胶，即可在微信中查询翻译
