基本解释四環素同根派生 tetracyline相关词英汉例句compound tetracyline and prednisone acetate pellicles 複方四環素潑尼松膜Keywords TiO 2 dope;metal ions;complex particle;tetracyline;photocatalyst; 2複郃微粒;摻襍;金屬離子;四環素;光催化劑;tetracyline更多例句