B&O چگونه تلفظ می‌شود

ترجمه‌ی B&O

تعریفِ B&O

• aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil
• originally thought to be a single vitamin but now separated into several B vitamins
• a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder