photosynthetic bacterium的用法和樣例：
例句
- All the photosynthetic bacteria possess the capability in addition to various facultative aerobes and obligate anaerobes.
所有光合細菌加上各種兼性的好氧生物和絕對的厭氧生物具有這種能力。 - The discovery is rare because the bacterium is photosynthesizing, meaning it produces energy from sunlight.
以上發現非常罕見，因為這類細菌是光合細菌，它們從陽光獲得能量。
