单词	backsheet
释义	backsheet 背板
随便看	proprietary brand proprietary business proprietary capital proprietary chemical proprietary chinese medicine proprietary class proprietary classes proprietary colonies proprietary colony proprietary company proprietary concentrate proprietary derivative position proprietary drug proprietary drugs proprietary eponym proprietary eponyms proprietary equity proprietary estoppel proprietary formula proprietary funds proprietary glass Proprietary hardware proprietary hospital proprietary inculant proprietary information dknh dkpj dkqj dkrx dktc dktclh dkts dkwy dkwz dkxj 通同通名通向通告通咕通商通国通夜通天通奸