large ring lactone

• 大环内酯

large ring lactone的用法和样例：

例句

1. This is the large ring lactone class antibiotic.
   本品为大环内酯类抗生素。
2. Rhodium-plated ring with prominent, heart-shaped Rosaline Satin crystal.
   铑镀环内突出，心形毕永缎晶体。