德可拉（铬锰钼钒钢）...

Decora的音标：...

A wild mountain ash ( Pyrus decora ) of eastern North America.花楸北美东部的一种野生花楸 ( 装饰梨 )OBJECTIVE To study the chemical constituents of Swertia decora Franch , a traditional herb medication in China.目的　研究我国民族药观赏獐牙菜(Swertiadec...